Not last night, but last week. We played a garden party at the drummers house/garden, all fairly relaxed, and so I took the little Behringer analogue mixer. WE took great care in speaker and mic placement and for once had bags of headroom before feedback. Monitors nice and loud for lead vocals and although I could not really here the BVs well, I was not bothered, it was a bit of fun.
We had a quick listen to the FoH vocals without the band usually, and it seemed OK. We usually wander out front during soundcheck, but not this time it was for fun...
First set went down well, but the sound was described as "sizzley". I listened to the speakers with no signal and there was a pronounced hiss. Not too bad, I thought, so I carried on and set up a camera to record the second set. All was well, lots of nice comments.
When I played back the video yesterday, I realised that the gain on the Guitarist's mic was up way too high and because the monitor mix was wrong, we did not realise that he was clipping badly. That was the sizzle reported. Another lesson learnt, thankfully not on a paid gig.