Another trick is to use endings and intros for refrains;works well. I like the toggle Korg feature too. Lot of creativity to be had on an arranger.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)