Wasn't a paid gig but worst session I ever encountered was

one fiddle v six guitars (strumed)

My guitar stayed in it's case.

A fiddler I once played with turned up to play a wedding ceilidh with a guitarist he'd met at a session. "Where's the rest of the band" he asked. "Oh, it's just you and me, but I've got some CD's we can play along with .......".

love, john