He worked on stage with improvisational company Improv Olympic. "Stick It" show his improvisational and comedic timing skills. She is known primarily for her work in comedic and improvisational roles. Phrasing is a very important part of jazz players' set of improvisational skills. She is a member of the improvisational comedy troupe The Groundlings. Regina Carter is a master of improvisational jazz violin. Killam was a member of the Los Angeles-based improvisational and sketch-comedy troupe the Groundlings. Hines began her acting career by performing improvisational comedy at The Groundlings Theater. She was known for her vocal delivery and improvisational skills. "SNL" writers are often also performers or experienced in writing and improvisational comedy. The challenge tests the contestants' skills at celebrity impersonation and improvisational comedy. Phish is an American rock band noted for their live concerts and improvisational jamming. Kemper continued her interest in improvisational comedy while at Princeton. She started in improvisational comedy in high school. McCarty also has a background in improvisational comedy.