Please help me! I donwloaded GarageBand but I´m having a problem. First I record the guitar ok, but when I record the voice I can hear in the second track: the voice (louder) and the guitar (lower). The result after 4 or 5 tracks is[b] horrible[/b]!!!

What are you using to record your audio into Garageband? And what Mic are you using to record the vocals?

Im using iRig and iRig Mic Cast