Donny,
Mosquitoes are pretty bad here in Cape Breton in the summer, and autumn...tiny black flies (no-see-ums) are very bad as well.
Most people spray Listerine around their decks, doorways and screens.
What kind of a Birthday Party was it, Donny (for a kid, or someone older)...and what kind of stuff did you play?
What did you use for PA?
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.