In addition to this, my second thought carries the implication of not talking trash among your bandmates. It just gets ugly. People get hurt, relationships are put to the test, and parting is inevitable. Although I consider myself a fledgling and am still learning to practice this, I know that playing with musicians who carry a good vibe with them on and off the stage is a great blessing.
Galatians 5:9 “A little yeast works through the whole dough.”
It doesn’t take much trash talking to mess up a perfectly great event.