Hi Guys, I know that some of you are using Irig. It says online that amplitube free is expandable to a 4 track recorder. I currently only have 1 track in my ipad and i get a message "do you want to purchase 8 track recorder?" - whenever i click on it.. any of you guys know what to do with this?? Is the 4 track recorder still available?? oh yeah, i also have garageband in my ipad, i just noticed that it doesn't have a bass amp.. which amp are u using?? Thanks in advance!