Thanks for the quick reply!!
Yes, I meant going from a 4/4 to a 3/4 and then a 13/8 after that and so on, with the same sounds/kits.
I managed to do it by making a bank of just 16x16 patterns, and cutting some of them short. Playing with shifting individual trigs back and forth with Function and arrows makes for quite an entertaining little drum groove
To be used in a composition this weekend, made possible by a lot of extra time thanks to a thorough cold