TOW (& Answer)...

The question was, what is the state song of California.  The official state song of California is I Love You, California.  Words by F. B. Silverwood and Music by A. F. Frankenstein.  The unofficial song of California is California, Here I Come.  It was written in 1924 with lyrics by Al Jolson and Bud De Sylva and music by Joseph Meyer.

The question (& answer) were found on p 24-25 of State Songs of the United States by Studwell & Schueneman.  The book was published by The Haworth Press in 1997.