You are downloading the Little Musician XAP file v188.8.131.52 for Windows Phone. Little Musician is a free and useful Education app: Little musicians can explore different sounds. Compose your own master piece.Play music with: Keyboard, Piano, or Animal soundsSimple ... You can now download the offline XAP file to install & try it.
Download Locations for Little Musician 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Little Musician XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.