Don, one of the things I always prided myself in was my performance attire, both indoors and outdoors. I always tried to dress better than my audiences, regardless of the occasion or venue. If nothing else, it helped in offsetting my lack of playing skills.

For most of the pool parties and other outdoor jobs, I wore dress slacks and a Hawaiian or dressy Mexican wedding (Guyabera) shirt, sometimes with a bolo tie. Gotta look good for the ladies!
All the best,
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.)