Last night, I played a fund-raising charity gig with a big jazz band. Those things often pay better than concerts or dances and this one paid very well.
We had a list of all the numbers we were going to play and had them all in order on our stands. In the 2nd set, the leader counted off a piece featuring a female singer. I hit the 1st note (a very loud low G whole note on bass trombone) and by the end of the note, I had figured out that I was playing the wrong damn piece of music.
Luckily for me, the piece I was playing and the piece I was supposed to play were in the same key and it actually sounded really good. So good that no one noticed my massive screw-up. Sometimes it better to be lucky than organized.
Anyway, I got away with it. If I’d been in 2 flats and the rest of the band had been in 4 sharps, I never would have lived it down.