MultitrackStudio is an audio / midi recording, editing and mixing environment targeted at home recording musicians.
Version: 9.4.2MultitrackStudio lets you record your own songs. You can record instrumental or vocal tracks while playing along with previously recorded tracks.
License: Free To Try $69.00
Operating System: Mac OS X
You can mix the tracks, add audio effects, edit mistakes and finally mix the song to a single audio file.
In addition you can use a MIDI keyboard to play instruments you don't own or can't play.
MultitrackStudio is straightforward to use. The free Lite edition is limited to three tracks.
Version 9.4.2: Various improvements