Donny
Just did a similiar one at the Pines in Edison NJ last year. They did want the keyboard for the cocktail hour and it was in the same room. Some people appreciated it but I could of DJ'd that too. Entrance song for the Bride & Groom was "Kickstart My Heart" !!! That's how it went all night. Wasn't worth dragging the keyboard in. I've run across a few Brides who have no clue about pleasing their guests, "its their day". Had one who totally programmed the whole wedding, down to the minute. Gave me a time chart and all the CD's in order !! I was one big jukebox and the wedding sucked !!
After the hard rock intro I mixed up the rest of the night best I could for all there, got paid cash, ate well, had a few drinks and I'm gone. As long as they don't get all over me with "do this, do that" I'm OK with anything. Been there and seen it all.
Like you said, be ready for anything.
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer