She sang in the rock-funk band Cats Laughing, and both sang and played guitar in the folk duo The Flash Girls while living in Minneapolis, Minnesota.
Hamilton Tiger-Cats | Cats | Cats (musical) | Stray Cats | Cats & Dogs | No One Knows About Persian Cats | Laughing Clowns | Battersea Dogs and Cats Home | Old Possum's Book of Practical Cats | Laughing Cavalier | Cats Laughing | Cats & Dogs: The Revenge of Kitty Galore | British big cats | Why Paint Cats | Why Cats Paint | The Alley Cats | Starry Eyed and Laughing | Sacramento River Cats | Nancy (With the Laughing Face) | Jacob Cats | Enter Laughing (film) | Cats U.K. | Cats Protection | Cats' Magazine | Cats 101 | The King of the Cats | The Cats | The Alley Cats (Los Angeles punk band) | Stray Cats (album) | Something About Cats and Other Pieces |
Both The Flash Girls and Bull's former group, Cats Laughing, have been mentioned in Shetterly's stories for the fantasy fiction shared universe Borderland.