(From the inimitable Leighton Beezer of the improvisational punk band, the Thrown Ups. The Thrown Ups arguably championed the essence of the grunge aesthetic, and at one time featured Mark Arm and Steve Turner of Mudhoney. Note this quote actually made the book.)
“It was not necessary to finely polish your stage act. To whatever extent you felt was necessary to have structure, go for it, but don’t overdo it.… In fact everybody knew full well that a show that turned into a train wreck was probably better than one that didn’t. It’s OK to get up and forget your song.
“So, instead of a bunch of mathematicians on stage going, ‘Is this the third verse or the fourth verse? Is it time for the chorus or the bridge?’ [Rather] there are people on stage who are just going, ‘AAAAHHHHHHHH!!!!!!!!!!!!!’”