Piano I made , textured and rendered in Blender with cycle.It's subdivision ready, the .blend file already contains a subdivide modifier.Textures are packed in it.
In the folder piano_Maps you will find the textures without the metal backed and wth the metal backed.My advice is to use the maps without metal backed, so you can have a silver/copper/gold metal pieces by playing with the shader of the metal ID.
(!!The environnement is not in the package!!)
BLEND (Blender, filesize: 875 MB), OBJ (OBJ, filesize: 2.94 MB), FBX (Autodesk FBX, filesize: 1.24 MB)