Like others, I use variations, intros and endings interchangingly throughout some songs - that's what I love so much about my 3K - it handles the changes so perfectly.
_________________________
Live: Korg PA4X/EV Everse 8s/Senn 935/K&M stand

Studio: Korg PA4X/Yamaha DGX670/Boss BR900CD/Tascam DP24SD/MTM Iloud/Sony C80/AGK 214/K&M stand