Does your friend have Windows or OS X? One possibility is Reaper, which works on both (with a Linux version on the way). The main thing your friend will need though is some way to connect the instrument or microphone to the computer.
Does your friend have Windows or OS X? One possibility is Reaper, which works on both (with a Linux version on the way). The main thing your friend will need though is some way to connect the instrument or microphone to the computer.