I don't remember, it was one of an enormous number of settings in a very complicated piece of software (and a decade ago when I was last exposed to it). The st

I don't remember, it was one of an enormous number of settings in a very complicated piece of software (and a decade ago when I was last exposed to it). The stretching was usually very minimal, on the order of ~10 seconds over an hour, so ~0.3% max (the rest of the timing would be managed by selecting tracks with appropriate lengths).