diff --git a/cicm_web/Areas/Admin/Controllers/SoundByOwnedMachineController.cs b/cicm_web/Areas/Admin/Controllers/SoundByOwnedMachineController.cs
new file mode 100644
index 00000000..0968ff7a
--- /dev/null
+++ b/cicm_web/Areas/Admin/Controllers/SoundByOwnedMachineController.cs
@@ -0,0 +1,194 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Cicm.Database.Models;
+using cicm_web.Areas.Admin.Models;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Query;
+
+namespace cicm_web.Areas.Admin.Controllers
+{
+    [Area("Admin")]
+    [Authorize]
+    public class SoundByOwnedMachineController : Controller
+    {
+        readonly cicmContext _context;
+
+        public SoundByOwnedMachineController(cicmContext context)
+        {
+            _context = context;
+        }
+
+        // GET: SoundByOwnedMachine
+        public async Task<IActionResult> Index()
+        {
+            IIncludableQueryable<SoundByOwnedMachine, SoundSynth> cicmContext =
+                _context.SoundByOwnedMachine.Include(s => s.OwnedMachine).Include(s => s.SoundSynth);
+            return View(await cicmContext.OrderBy(s => s.OwnedMachine.Machine.Company.Name)
+                                         .ThenBy(s => s.OwnedMachine.Machine.Name)
+                                         .ThenBy(s => s.OwnedMachine.User.UserName).ThenBy(s => s.SoundSynth.Name)
+                                         .Select(s => new SoundByMachineViewModel
+                                          {
+                                              Id = s.Id,
+                                              Machine =
+                                                  $"{s.OwnedMachine.Machine.Company.Name} {s.OwnedMachine.Machine.Name} <{s.OwnedMachine.User.UserName}>",
+                                              SoundSynth = s.SoundSynth.Name
+                                          }).ToListAsync());
+        }
+
+        // GET: SoundByOwnedMachine/Details/5
+        public async Task<IActionResult> Details(long? id)
+        {
+            if(id == null) return NotFound();
+
+            SoundByMachineViewModel soundByOwnedMachine = await _context.SoundByOwnedMachine
+                                                                        .OrderBy(s => s.OwnedMachine.Machine.Company
+                                                                                       .Name)
+                                                                        .ThenBy(s => s.OwnedMachine.Machine.Name)
+                                                                        .ThenBy(s => s.OwnedMachine.User.UserName)
+                                                                        .ThenBy(s => s.SoundSynth.Name)
+                                                                        .Select(s => new SoundByMachineViewModel
+                                                                         {
+                                                                             Id = s.Id,
+                                                                             Machine =
+                                                                                 $"{s.OwnedMachine.Machine.Company.Name} {s.OwnedMachine.Machine.Name} <{s.OwnedMachine.User.UserName}>",
+                                                                             SoundSynth = s.SoundSynth.Name
+                                                                         }).FirstOrDefaultAsync(m => m.Id ==
+                                                                                                     id);
+            if(soundByOwnedMachine == null) return NotFound();
+
+            return View(soundByOwnedMachine);
+        }
+
+        // GET: SoundByOwnedMachine/Create
+        public IActionResult Create()
+        {
+            ViewData["OwnedMachineId"] =
+                new
+                    SelectList(_context.OwnedMachines.OrderBy(m => m.Machine.Company.Name).ThenBy(m => m.Machine.Name).ThenBy(m => m.User.UserName).Select(m => new {m.Id, Name = $"{m.Machine.Company.Name} {m.Machine.Name} <{m.User.UserName}>"}),
+                               "Id", "Name");
+            ViewData["SoundSynthId"] = new SelectList(_context.SoundSynths, "Id", "Name");
+            return View();
+        }
+
+        // POST: SoundByOwnedMachine/Create
+        // To protect from overposting attacks, please enable the specific properties you want to bind to, for 
+        // more details see http://go.microsoft.com/fwlink/?LinkId=317598.
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Create([Bind("SoundSynthId,OwnedMachineId,Id")]
+                                                SoundByOwnedMachine soundByOwnedMachine)
+        {
+            if(ModelState.IsValid)
+            {
+                _context.Add(soundByOwnedMachine);
+                await _context.SaveChangesAsync();
+                return RedirectToAction(nameof(Index));
+            }
+
+            ViewData["OwnedMachineId"] =
+                new
+                    SelectList(_context.OwnedMachines.OrderBy(m => m.Machine.Company.Name).ThenBy(m => m.Machine.Name).ThenBy(m => m.User.UserName).Select(m => new {m.Id, Name = $"{m.Machine.Company.Name} {m.Machine.Name} <{m.User.UserName}>"}),
+                               "Id", "Name", soundByOwnedMachine.OwnedMachineId);
+            ViewData["SoundSynthId"] =
+                new SelectList(_context.SoundSynths, "Id", "Name", soundByOwnedMachine.SoundSynthId);
+            return View(soundByOwnedMachine);
+        }
+
+        // GET: SoundByOwnedMachine/Edit/5
+        public async Task<IActionResult> Edit(long? id)
+        {
+            if(id == null) return NotFound();
+
+            SoundByOwnedMachine soundByOwnedMachine = await _context.SoundByOwnedMachine.FindAsync(id);
+            if(soundByOwnedMachine == null) return NotFound();
+
+            ViewData["OwnedMachineId"] =
+                new
+                    SelectList(_context.OwnedMachines.OrderBy(m => m.Machine.Company.Name).ThenBy(m => m.Machine.Name).ThenBy(m => m.User.UserName).Select(m => new {m.Id, Name = $"{m.Machine.Company.Name} {m.Machine.Name} <{m.User.UserName}>"}),
+                               "Id", "Name", soundByOwnedMachine.OwnedMachineId);
+            ViewData["SoundSynthId"] =
+                new SelectList(_context.SoundSynths, "Id", "Name", soundByOwnedMachine.SoundSynthId);
+            return View(soundByOwnedMachine);
+        }
+
+        // POST: SoundByOwnedMachine/Edit/5
+        // To protect from overposting attacks, please enable the specific properties you want to bind to, for 
+        // more details see http://go.microsoft.com/fwlink/?LinkId=317598.
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Edit(long id, [Bind("SoundSynthId,OwnedMachineId,Id")]
+                                              SoundByOwnedMachine soundByOwnedMachine)
+        {
+            if(id != soundByOwnedMachine.Id) return NotFound();
+
+            if(ModelState.IsValid)
+            {
+                try
+                {
+                    _context.Update(soundByOwnedMachine);
+                    await _context.SaveChangesAsync();
+                }
+                catch(DbUpdateConcurrencyException)
+                {
+                    if(!SoundByOwnedMachineExists(soundByOwnedMachine.Id)) return NotFound();
+
+                    throw;
+                }
+
+                return RedirectToAction(nameof(Index));
+            }
+
+            ViewData["OwnedMachineId"] =
+                new
+                    SelectList(_context.OwnedMachines.OrderBy(m => m.Machine.Company.Name).ThenBy(m => m.Machine.Name).ThenBy(m => m.User.UserName).Select(m => new {m.Id, Name = $"{m.Machine.Company.Name} {m.Machine.Name} <{m.User.UserName}>"}),
+                               "Id", "Name", soundByOwnedMachine.OwnedMachineId);
+            ViewData["SoundSynthId"] =
+                new SelectList(_context.SoundSynths, "Id", "Name", soundByOwnedMachine.SoundSynthId);
+            return View(soundByOwnedMachine);
+        }
+
+        // GET: SoundByOwnedMachine/Delete/5
+        public async Task<IActionResult> Delete(long? id)
+        {
+            if(id == null) return NotFound();
+
+            SoundByMachineViewModel soundByOwnedMachine = await _context.SoundByOwnedMachine
+                                                                        .OrderBy(s => s.OwnedMachine.Machine.Company
+                                                                                       .Name)
+                                                                        .ThenBy(s => s.OwnedMachine.Machine.Name)
+                                                                        .ThenBy(s => s.OwnedMachine.User.UserName)
+                                                                        .ThenBy(s => s.SoundSynth.Name)
+                                                                        .Select(s => new SoundByMachineViewModel
+                                                                         {
+                                                                             Id = s.Id,
+                                                                             Machine =
+                                                                                 $"{s.OwnedMachine.Machine.Company.Name} {s.OwnedMachine.Machine.Name} <{s.OwnedMachine.User.UserName}>",
+                                                                             SoundSynth = s.SoundSynth.Name
+                                                                         }).FirstOrDefaultAsync(m => m.Id ==
+                                                                                                     id);
+            if(soundByOwnedMachine == null) return NotFound();
+
+            return View(soundByOwnedMachine);
+        }
+
+        // POST: SoundByOwnedMachine/Delete/5
+        [HttpPost]
+        [ActionName("Delete")]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> DeleteConfirmed(long id)
+        {
+            SoundByOwnedMachine soundByOwnedMachine = await _context.SoundByOwnedMachine.FindAsync(id);
+            _context.SoundByOwnedMachine.Remove(soundByOwnedMachine);
+            await _context.SaveChangesAsync();
+            return RedirectToAction(nameof(Index));
+        }
+
+        bool SoundByOwnedMachineExists(long id)
+        {
+            return _context.SoundByOwnedMachine.Any(e => e.Id == id);
+        }
+    }
+}
\ No newline at end of file
diff --git a/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Create.cshtml b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Create.cshtml
new file mode 100644
index 00000000..00336061
--- /dev/null
+++ b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Create.cshtml
@@ -0,0 +1,46 @@
+@model Cicm.Database.Models.SoundByOwnedMachine
+
+@{
+    ViewData["Title"] = "Create";
+}
+
+<h1>Create</h1>
+
+<h4>Sound by machine</h4>
+<hr />
+<div class="row">
+    <div class="col-md-4">
+        <form asp-action="Create">
+            <div asp-validation-summary="ModelOnly"
+                 class="text-danger">
+            </div>
+            <div class="form-group">
+                <label asp-for="SoundSynth"
+                       class="control-label">
+                </label>
+                <select asp-for="SoundSynthId"
+                        class="form-control"
+                        asp-items="ViewBag.SoundSynthId">
+                </select>
+            </div>
+            <div class="form-group">
+                <label asp-for="OwnedMachine"
+                       class="control-label">
+                </label>
+                <select asp-for="OwnedMachineId"
+                        class="form-control"
+                        asp-items="ViewBag.OwnedMachineId">
+                </select>
+            </div>
+            <div class="form-group">
+                <input class="btn btn-primary"
+                       type="submit"
+                       value="Create" />
+                <a asp-action="Index"
+                   class="btn btn-secondary">
+                    Back to List
+                </a>
+            </div>
+        </form>
+    </div>
+</div>
\ No newline at end of file
diff --git a/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Delete.cshtml b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Delete.cshtml
new file mode 100644
index 00000000..41fa0c34
--- /dev/null
+++ b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Delete.cshtml
@@ -0,0 +1,39 @@
+@model cicm_web.Areas.Admin.Models.SoundByMachineViewModel
+
+@{
+    ViewData["Title"] = "Delete";
+}
+
+<h1>Delete</h1>
+
+<h3>Are you sure you want to delete this?</h3>
+<div>
+    <h4>Sound by machine</h4>
+    <hr />
+    <dl class="row">
+        <dt class="col-sm-2">
+            @Html.DisplayNameFor(model => model.Machine)
+        </dt>
+        <dd class="col-sm-10">
+            @Html.DisplayFor(model => model.Machine)
+        </dd>
+        <dt class="col-sm-2">
+            @Html.DisplayNameFor(model => model.SoundSynth)
+        </dt>
+        <dd class="col-sm-10">
+            @Html.DisplayFor(model => model.SoundSynth)
+        </dd>
+    </dl>
+
+    <form asp-action="Delete">
+        <input type="hidden"
+               asp-for="Id" />
+        <input class="btn btn-danger"
+               type="submit"
+               value="Delete" />
+        <a asp-action="Index"
+           class="btn btn-secondary">
+            Back to List
+        </a>
+    </form>
+</div>
\ No newline at end of file
diff --git a/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Details.cshtml b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Details.cshtml
new file mode 100644
index 00000000..7a936f04
--- /dev/null
+++ b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Details.cshtml
@@ -0,0 +1,37 @@
+@model cicm_web.Areas.Admin.Models.SoundByMachineViewModel
+
+@{
+    ViewData["Title"] = "Details";
+}
+
+<h1>Details</h1>
+
+<div>
+    <h4>Sound by machine</h4>
+    <hr />
+    <dl class="row">
+        <dt class="col-sm-2">
+            @Html.DisplayNameFor(model => model.Machine)
+        </dt>
+        <dd class="col-sm-10">
+            @Html.DisplayFor(model => model.Machine)
+        </dd>
+        <dt class="col-sm-2">
+            @Html.DisplayNameFor(model => model.SoundSynth)
+        </dt>
+        <dd class="col-sm-10">
+            @Html.DisplayFor(model => model.SoundSynth)
+        </dd>
+    </dl>
+</div>
+<div>
+    <a asp-action="Edit"
+       asp-route-id="@Model.Id"
+       class="btn btn-primary">
+        Edit
+    </a>
+    <a asp-action="Index"
+       class="btn btn-secondary">
+        Back to List
+    </a>
+</div>
\ No newline at end of file
diff --git a/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Edit.cshtml b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Edit.cshtml
new file mode 100644
index 00000000..b5537f65
--- /dev/null
+++ b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Edit.cshtml
@@ -0,0 +1,54 @@
+@model Cicm.Database.Models.SoundByOwnedMachine
+
+@{
+    ViewData["Title"] = "Edit";
+}
+
+<h1>Edit</h1>
+
+<h4>Sound by machine</h4>
+<hr />
+<div class="row">
+    <div class="col-md-4">
+        <form asp-action="Edit">
+            <div asp-validation-summary="ModelOnly"
+                 class="text-danger">
+            </div>
+            <div class="form-group">
+                <label asp-for="SoundSynth"
+                       class="control-label">
+                </label>
+                <select asp-for="SoundSynthId"
+                        class="form-control"
+                        asp-items="ViewBag.SoundSynthId">
+                </select>
+                <span asp-validation-for="SoundSynthId"
+                      class="text-danger">
+                </span>
+            </div>
+            <div class="form-group">
+                <label asp-for="OwnedMachine"
+                       class="control-label">
+                </label>
+                <select asp-for="OwnedMachineId"
+                        class="form-control"
+                        asp-items="ViewBag.OwnedMachineId">
+                </select>
+                <span asp-validation-for="OwnedMachineId"
+                      class="text-danger">
+                </span>
+            </div>
+            <input type="hidden"
+                   asp-for="Id" />
+            <div class="form-group">
+                <input class="btn btn-primary"
+                       type="submit"
+                       value="Save" />
+                <a asp-action="Index"
+                   class="btn btn-secondary">
+                    Back to List
+                </a>
+            </div>
+        </form>
+    </div>
+</div>
\ No newline at end of file
diff --git a/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Index.cshtml b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Index.cshtml
new file mode 100644
index 00000000..67785590
--- /dev/null
+++ b/cicm_web/Areas/Admin/Views/SoundByOwnedMachine/Index.cshtml
@@ -0,0 +1,58 @@
+@using cicm_web.Areas.Admin.Models
+@model IEnumerable<cicm_web.Areas.Admin.Models.SoundByMachineViewModel>
+
+@{
+    ViewData["Title"] = "Index";
+}
+
+<h1>Sound synthetizers by machine</h1>
+
+<p>
+    <a asp-action="Create"
+       class="btn btn-primary">
+        Create New
+    </a>
+</p>
+<table class="table">
+    <thead>
+    <tr>
+        <th>
+            @Html.DisplayNameFor(model => model.Machine)
+        </th>
+        <th>
+            @Html.DisplayNameFor(model => model.SoundSynth)
+        </th>
+        <th></th>
+    </tr>
+    </thead>
+    <tbody>
+    @foreach(SoundByMachineViewModel item in Model)
+    {
+        <tr>
+            <td>
+                @Html.DisplayFor(modelItem => item.Machine)
+            </td>
+            <td>
+                @Html.DisplayFor(modelItem => item.SoundSynth)
+            </td>
+            <td>
+                <a asp-action="Details"
+                   asp-route-id="@item.Id"
+                   class="btn btn-primary">
+                    Details
+                </a>
+                <a asp-action="Edit"
+                   asp-route-id="@item.Id"
+                   class="btn btn-secondary">
+                    Edit
+                </a>
+                <a asp-action="Delete"
+                   asp-route-id="@item.Id"
+                   class="btn btn-danger">
+                    Delete
+                </a>
+            </td>
+        </tr>
+    }
+    </tbody>
+</table>
\ No newline at end of file
diff --git a/cicm_web/cicm_web.csproj b/cicm_web/cicm_web.csproj
index b1c232d7..07114a9c 100644
--- a/cicm_web/cicm_web.csproj
+++ b/cicm_web/cicm_web.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>netcoreapp2.2</TargetFramework>
-    <Version>3.0.99.686</Version>
+    <Version>3.0.99.687</Version>
     <Company>Canary Islands Computer Museum</Company>
     <Copyright>Copyright © 2003-2018 Natalia Portillo</Copyright>
     <Product>Canary Islands Computer Museum Website</Product>