Does it have another input jack? You could go from the computer headphone out into an input jack. I have a GT2, but haven't used it in a while and don't remember. I use Best Practice to slow songs down, running out from the headphone jack into the cd input on my practice amp. Works great.
Orange Club #88---Squier Owners Club #(we don't need no stinkin' numbers!!!!!)---4 ov 25. We are Mothman