Does anybody know of good composition software? I play some guitar so have used powertab which is good for guitar, but it's not great for multiple instruments... I'd love something which makes it easy ...

GarageBand is Apple's free music creation software that comes preloaded on Macs, iPhones, and iPads. GarageBand operates like a fully equipped music studio, giving you a library of lessons and sounds ...

An Apple employee teaches the basics of the free GarageBand music-creation software in an new video tutorial from Today at Apple. It covers sampling sounds from your kitchen to make house music.