The Samsung Galaxy Music features a 3 inch touch display, 4GB of internal storage which can be expanded through microSD, and a 3 megapixel camera.
The Galaxy Music is aimed at a younger audience and growing markets, with attractive colors and enhanced music capabilities. Samsung has added dedicated buttons for playing and pausing and quick access to the music player. The device does have stereo speakers, but it is best used with the headphones, keep in mind this isn't an alternate for devices will beats audio like the HTC One V.
You can read the detailed review of the Samsung Galaxy Music on PhoneArena.