I think original Pyramid master @o_0 did a post (or maybe even an astro-turfed video) about how he manages track fades waaaaaay back when. It was super cool and I seem to remember it involved pre-faded patterns. Like pattern 1 = 1 bar fade in , pattern 2 bar fade in etc…And the equivalents for fade outs…But I cant find the post or the video.
That way you still have a fair amount of flexibility when it comes to feeling your way through an arrangement or jam…if that’s what you’re after.
Maybe he can enlighten us if he is still lurking?