I've been searching literally for years a way to accomplish this task, which seems to be a basic one for a sequencer.
I'd like to change ALL tempos in a song in a proportional way . A sort of an "Interpolate tempo" tool. I know I can use the "Fit to time" option but it is a very poor solution which require a lot of "trial and error" process.
Is there in the new Cakewalk by Bandlab something more useful? I mean: a tool, a CAL, a way of dragging the tempo line, whatever?