GarageBand forhas been given a pretty significant update today at ’s unveiling. Among the new features include “Smart Strings”, “Note Editor”, and new iCloud and sharing features. We’ll be updating this post with more info as we get our hands on the new GarageBand, available today, but Apple did show off one cool feature known as “Jam Session”. The feature allows you to jam with up to 3 other iPad users. Stay tuned for more.