PS macs suck for everything but free video editing, i found a progam that is simalar to garageband, goto http://funadvice.com/r/3kccvi55sl and click the box that says acid Xpress i would check out http://funadvice.com/r/3kccvi56t0 as well they have tons of free stuff for music including free blank printable music sheets stuff like that -Hope this helps
Garageband on a Mac :)
...you didn't mention what platform. Imho, that alone, if you're into music, is worth getting a mac.
Ah, more ideas here, too: http://www.funadvice.com/q/wheredownloadafreemusic_making
Yeah, unfortunately I'm on a PC :/ Thanks heaps though :D