I would input arp in the filter search window of the style window. Listen to the many styles that have arpeggiated chords, pick one, then mute the tracks you do not want to hear. This is not a fast process as there may be a lot of different styles but you can use the tempo window to narrow your choices.

I hope this helps.

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When you are at the checkout line and they ask if you found everything say "Why, are you hiding stuff?"

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware