Megan is an accomplished composer and orchestrator of musical theater and film.  In New York she co-wrote the lively La Manchish musical Pepita. Cavallari settled in LA to pursue pop and film music venues. She did some superbly sensitive and delicate pop ballad orchestration and vocal arrangements for John Mathis' album, On Broadway. Her more recent credits include composing music for the movie A Christmas Carol, writing lyrics and music for movie Barbie As The Prince and the Pauper, and composing music for the TV series Eloise.

Cavallari attended Cat Cohen’s songwriting classes and hosted some of his off-campus workshops.