Q: Also I noticed that , at the part "slow it way way down ". The crotchet beats of the previous time sig 4/4 become the quaver beats of the like 5/8 and 6/8 sections after it but idk how to really phrase that properly,
A: in that case, i'd just call those 5/4 and 6/4. that way you don't have to do any ♩=♪ on the page