diff --git a/Marechai.App/Services/Client/SoundSynthsByMachine/SoundSynthsByMachineRequestBuilder.cs b/Marechai.App/Services/Client/SoundSynthsByMachine/SoundSynthsByMachineRequestBuilder.cs
index cd869b54..edeef6d3 100644
--- a/Marechai.App/Services/Client/SoundSynthsByMachine/SoundSynthsByMachineRequestBuilder.cs
+++ b/Marechai.App/Services/Client/SoundSynthsByMachine/SoundSynthsByMachineRequestBuilder.cs
@@ -2,6 +2,7 @@
 #pragma warning disable CS0618
 using Marechai.App.Models;
 using Marechai.App.SoundSynthsByMachine.ByMachine;
+using Marechai.App.SoundSynthsByMachine.BySoundSynth;
 using Marechai.App.SoundSynthsByMachine.Item;
 using Microsoft.Kiota.Abstractions.Extensions;
 using Microsoft.Kiota.Abstractions.Serialization;
@@ -24,6 +25,11 @@ namespace Marechai.App.SoundSynthsByMachine
         {
             get => new global::Marechai.App.SoundSynthsByMachine.ByMachine.ByMachineRequestBuilder(PathParameters, RequestAdapter);
         }
+        /// <summary>The bySoundSynth property</summary>
+        public global::Marechai.App.SoundSynthsByMachine.BySoundSynth.BySoundSynthRequestBuilder BySoundSynth
+        {
+            get => new global::Marechai.App.SoundSynthsByMachine.BySoundSynth.BySoundSynthRequestBuilder(PathParameters, RequestAdapter);
+        }
         /// <summary>Gets an item from the Marechai.App.soundSynthsByMachine.item collection</summary>
         /// <param name="position">Unique identifier of the item</param>
         /// <returns>A <see cref="global::Marechai.App.SoundSynthsByMachine.Item.SoundSynthsByMachineItemRequestBuilder"/></returns>
diff --git a/Marechai.App/Services/Client/kiota-lock.json b/Marechai.App/Services/Client/kiota-lock.json
index ac6e9cc0..c8d6ea80 100644
--- a/Marechai.App/Services/Client/kiota-lock.json
+++ b/Marechai.App/Services/Client/kiota-lock.json
@@ -1,5 +1,5 @@
 {
-  "descriptionHash": "B14C84F1E420D2432A615A20FD21AF1B4E0FD47B34883CFF5B5835650E46FB857B939E239BCAA0E48DDD88FC99AC6976E4263A5DBBCDDBDD7068E6F4A3D7FA74",
+  "descriptionHash": "C3420A48BBEE846A2606007719F2CB672783E54BFC6264E374C4EE4E7983D3F3D8505882D01625FF9C5A4C3A861D92FB482DCC66804B3CA76FD67E8E10717E5D",
   "descriptionLocation": "http://localhost:5023/openapi/v1.json",
   "lockFileVersion": "1.0.0",
   "kiotaVersion": "1.29.0",
diff --git a/Marechai.App/Services/SoundSynthsService.cs b/Marechai.App/Services/SoundSynthsService.cs
new file mode 100644
index 00000000..03c31638
--- /dev/null
+++ b/Marechai.App/Services/SoundSynthsService.cs
@@ -0,0 +1,127 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Marechai.App.Services;
+
+/// <summary>
+///     Service for fetching and managing Sound Synthesizers from the Marechai API
+/// </summary>
+public class SoundSynthsService
+{
+    private readonly ApiClient                   _apiClient;
+    private readonly ILogger<SoundSynthsService> _logger;
+
+    public SoundSynthsService(ApiClient apiClient, ILogger<SoundSynthsService> logger)
+    {
+        _apiClient = apiClient;
+        _logger    = logger;
+    }
+
+    /// <summary>
+    ///     Fetches all Sound Synthesizers from the API
+    /// </summary>
+    public async Task<List<SoundSynthDto>> GetAllSoundSynthsAsync()
+    {
+        try
+        {
+            _logger.LogInformation("Fetching all Sound Synthesizers from API");
+
+            List<SoundSynthDto>? soundSynths = await _apiClient.SoundSynths.GetAsync();
+
+            if(soundSynths == null) return [];
+
+            _logger.LogInformation("Successfully fetched {Count} total Sound Synthesizers", soundSynths.Count);
+
+            return soundSynths;
+        }
+        catch(Exception ex)
+        {
+            _logger.LogError(ex, "Error fetching all Sound Synthesizers from API");
+
+            return [];
+        }
+    }
+
+    /// <summary>
+    ///     Fetches a single Sound Synthesizer by ID from the API
+    /// </summary>
+    public async Task<SoundSynthDto?> GetSoundSynthByIdAsync(int soundSynthId)
+    {
+        try
+        {
+            _logger.LogInformation("Fetching Sound Synthesizer {SoundSynthId} from API", soundSynthId);
+
+            SoundSynthDto? soundSynth = await _apiClient.SoundSynths[soundSynthId].GetAsync();
+
+            if(soundSynth == null)
+            {
+                _logger.LogWarning("Sound Synthesizer {SoundSynthId} not found", soundSynthId);
+
+                return null;
+            }
+
+            _logger.LogInformation("Successfully fetched Sound Synthesizer {SoundSynthId}: {SoundSynthName}",
+                                   soundSynthId,
+                                   soundSynth.Name);
+
+            return soundSynth;
+        }
+        catch(Exception ex)
+        {
+            _logger.LogError(ex, "Error fetching Sound Synthesizer {SoundSynthId} from API", soundSynthId);
+
+            return null;
+        }
+    }
+
+    /// <summary>
+    ///     Fetches machines that use a specific Sound Synthesizer
+    /// </summary>
+    public async Task<List<MachineDto>> GetMachinesBySoundSynthAsync(int soundSynthId)
+    {
+        try
+        {
+            _logger.LogInformation("Fetching machines for Sound Synthesizer {SoundSynthId}", soundSynthId);
+
+            // Fetch from the sound-synths-by-machine/by-sound-synth/{soundSynthId} endpoint
+            List<SoundSynthByMachineDto>? soundSynthMachineRelationships =
+                await _apiClient.SoundSynthsByMachine.BySoundSynth[soundSynthId].GetAsync();
+
+            if(soundSynthMachineRelationships == null || soundSynthMachineRelationships.Count == 0) return [];
+
+            // Fetch full machine details for each to get Type information
+            var machines = new List<MachineDto>();
+
+            foreach(SoundSynthByMachineDto sm in soundSynthMachineRelationships)
+            {
+                if(sm.MachineId.HasValue)
+                {
+                    try
+                    {
+                        MachineDto? machine = await _apiClient.Machines[sm.MachineId.Value].GetAsync();
+                        if(machine != null) machines.Add(machine);
+                    }
+                    catch(Exception ex)
+                    {
+                        _logger.LogWarning(ex, "Failed to fetch machine {MachineId}", sm.MachineId);
+                    }
+                }
+            }
+
+            _logger.LogInformation("Successfully fetched {Count} machines for Sound Synthesizer {SoundSynthId}",
+                                   machines.Count,
+                                   soundSynthId);
+
+            return machines;
+        }
+        catch(Exception ex)
+        {
+            _logger.LogWarning(ex, "Error fetching machines for Sound Synthesizer {SoundSynthId}", soundSynthId);
+
+            return [];
+        }
+    }
+}
\ No newline at end of file
diff --git a/Marechai.Server/Controllers/SoundSynthsByMachineController.cs b/Marechai.Server/Controllers/SoundSynthsByMachineController.cs
index cf8303c1..703352f6 100644
--- a/Marechai.Server/Controllers/SoundSynthsByMachineController.cs
+++ b/Marechai.Server/Controllers/SoundSynthsByMachineController.cs
@@ -58,6 +58,24 @@ public class SoundSynthsByMachineController(MarechaiContext context) : Controlle
        .ThenBy(g => g.Name)
        .ToListAsync();
 
+    [HttpGet("by-sound-synth/{soundSynthId:int}")]
+    [AllowAnonymous]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public Task<List<SoundSynthByMachineDto>> GetBySoundSynth(int soundSynthId) => context.SoundByMachine
+       .Where(g => g.SoundSynthId == soundSynthId)
+       .Select(g => new SoundSynthByMachineDto
+        {
+            Id           = g.Id,
+            Name         = g.Machine.Name,
+            CompanyName  = g.Machine.Company.Name,
+            SoundSynthId = g.SoundSynthId,
+            MachineId    = g.MachineId
+        })
+       .OrderBy(g => g.CompanyName)
+       .ThenBy(g => g.Name)
+       .ToListAsync();
+
     [HttpDelete("{id:long}")]
     [Authorize(Roles = "Admin,UberAdmin")]
     [ProducesResponseType(StatusCodes.Status200OK)]