Bill,
Keep in mind that NOT ALL USB sticks will work in your keyboard--some are just not compatible, especially some of the larger ones with built-in software.
www.Cyberguys.com has lots of right angle adapters and extension cables that may be helpful.
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)