I have the basic Audio 20 with the usb. I have read the manual and checked the USB extensions. I am not sur what is going on but when I play music through the USB it will skip tracks. Same music recorded off the same CD with the same .mp3 extension. Is any one else seeing this and if so what am I not catching. I have read the manual about the structure needed. It is formatted fat32. Anyone else have this problem? Next stop is back to the dealer if I can't find a soulution!