3D Midi-keyboard is pretty similar to M-Audio Keystation 61 MK3 made in Blender and textured in Substace Painter. Main parts have proper names and aren't connected so you can easily dissambly it. There are 4K textures of BaseColor, Metallic, Roughness, Normal (DirectX and OpenGL), AO, Emission.
Faces/polys: 9,526 Tris: 9,526 Verts: 5,412
If you have any questions don't hesitate to ask me.