Sorry for jumping in,but I just got my new SX,and am starting the same thing.I can see Donny's problem of not having one song per bank.I have always done it that way on the psr970,and saved my playlists in folders. As I understand it, the playlist is a glorified MFD,holding all needed parameters in each song. As I read it,one makes up the reg bank and adds it to the Playlist Record(database). You then can make up playlists named what you will,with a list of songs you need for that gig. You add records by scrolling or searching.

AM I wrong?
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact