Bobby Worth (September 25, 1912, Cleveland, Ohio – July 17, 2002, Mission Hills, California) was an American songwriter. His best known songs are "Do I Worry?", "'Til Reveille", "Tonight We Love", and "Don't You Know?".Worth was considered a child prodigy, performing in classical concerts at ten years of age. In his teens he was performing in Gus Edwards' vaudeville acts. In 1940, at age 28, he moved to Hollywood, California. There he teamed up with songwriter Stanley Cowan in 1941, and began writing for movie studios. From the 1940s onwards, songs by Worth were recorded by prominent artists including Bing Crosby, Frank Sinatra, and Ella Fitzgerald. In collaboration with bandleader Freddy Martin, and with Ray Austin, Worth composed the song "Tonight We Love". Worth also co-composed the popular 1941 World War II tune "(Lights Out) 'Til Reveille".