Just for anyone else - there are plenty of great free DAW's (Digital Audio Workstations) available.
http://www.musicradar.com/reviews/tech/tracktion-software-tracktion-4-573801Free cross platform - fairly simple interface
Or Reaper, more involved - has replaced Logic for me which I used professionally for 10 years. You can evaluate it forever (fully functional) but I'd encourage you to chuck the developers some money for a license - very reasonably priced for a fantastic bit of software.
http://http://www.reaper.fm/Also cross platform.