He works most often in collaboration with the lyricist/bookwriter Lynn Ahrens. They are best known for writing the Broadway musicals Once on This Island, which was nominated for eight Tony Awards, Seussical , which was nominated for the Grammy Award and Ragtime, which was nominated for twelve Tony Awards and won Best Original Score. Flaherty was also nominated for two Academy Awards and two Golden Globe Awards with Lynn Ahrens for his songs and song score for the animated film musical Anastasia. Read his full biography on the Wikipedia: wikipedia.org/wiki/Stephen_Flaherty