So I was just wondering what's the best way I can record music (bass/guitar) to various tempos in one song. I use a toneport and usually play with a click track, but most of my songs are poly rhythmic .
If it tickles and doesn't burn, it's ok.
Make a MIDI track with just the click and vary the tempos as you wish.
Look up "freeware MIDI", there's quite a few programs. I haven't tried them so I can't judge.