She has been commissioned to write works for the American Guild of Organists, George Shirley, the late Duke Ellington, and her sister, the late Joy Simpson, arranged music for Kathleen Battle, Jessye Norman, and the Porgy and Bess Chorus of the New York Metropolitan Opera, and has performed with musical organizations such as Philadelphia's National Opera Ebony (later renamed Opera North).
Jessica Simpson | Homer Simpson | Bart Simpson | John Evelyn | Evelyn Waugh | Lisa Simpson | Richard Evelyn Byrd | O. J. Simpson | Alan K. Simpson | Evelyn Glennie | Wallis Simpson | Cody Simpson | Marge Simpson | Ashlee Simpson | O. J. Simpson murder case | Louis Simpson | James H. Simpson | Robert Simpson Woodward | Mike Simpson | Martin Simpson | Evelyn | Simpson Barracks | Nicole Brown Simpson | Maggie Simpson | Galton and Simpson | Evelyn Holt | Evelyn (film) | Alan Simpson | Simpson | Jennifer Simpson |