California, Here I Come Sung by Larry DeAngelo. Along with April Showers, this song premiered in the 1921 Broadway musical Bombo, starring Al Jolson. The song was written by Buddy DeSylva and Joseph Meyer, with Jolson often listed as a co-author. Jolson recorded the song in 1924. It is often called the unofficial state song of California and has been featured prominently not only in popular culture but also as a theme song for California politicians like Richard Nixon and Ronald Reagan.