Carolyn Ferrie first voiced Dorothy the Dinosaur on the Wiggles' video, "Wiggledance! Live in Concert". Her voice is usually used in the Wiggles' concerts. As from 2000, her voice she re-recorded has been used in various shows.
Carolyn's first solo song as Dorothy the Dinosaur is "Sing with Me", which can be found in on the audio CD (and video) It's a Wiggly Wiggly World.