Noted songwriter, author, and agent, Havez penned special material for the realm of musical comedy and vaudeville, as well as crafting scenarios for renowned comedians Charlie Chaplin, Buster Keaton, and Harold Lloyd.
In addition to his work in the entertainment industry, Havez served as a press agent for Lew Dockstader's Minstrels, a prestigious theatrical troupe.
As a charter member of the American Society of Composers, Authors, and Publishers (ASCAP) in 1914, Havez's contributions to the world of music were officially recognized.
His impressive body of work includes a range of novelty and popular-song compositions, such as "Everybody Works but Father", "When You Ain't Got No Money then You Needn't Come Around", "I'm Looking For an Angel", "Do Not Forget the Good Old Days", "You're On the Right Road, Sister", and "He Cert'ny Was Good to Me", leaving a lasting legacy in the world of music and entertainment.