Garageband Help
 

i Doubt any1 got this program but... anyway here's my problem

i put in a beat my boy sent me... n the shit comes in as a sped up version (the song is 3:05 in itunes n in the program on 120 tempo its about 1:53.... i don't have any fuckin idea wat the problem is. All other audio tracks come in at the correct speed. I don't get it
any1 who can help? post back here or PM me... peace