Hello -
Seems you have mutiple questions - no problem:
1. First, if you are unfamiliar with changing/assigning sounds and tempos, you must first learn this procedure to save to registration memory. This can be a bit tricky, but I (and others who helped me) can walk you through it (3000 only).
2. Next you can learn to save your individual songs/registrations to a folder.
zuki
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Yamaha 920 / Yamaha Stagepas 100 BTRs / Senn e935 - LIVE
Roland RD 2000 / Tascam DP24sd / ATEM switcher - STUDIO