I used everything imaginable in a style to use as intro, endings, fills, bridges to another song, etc - exactly what you're saying. Imagination is everything, if you want your own playing style.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)