My time is now by John Cena
John Cena actually sings his own theme song and is the first to do so
I'm pretty sure that John Cena and his brother sings it.
John Boutte
the theme song is the circle of life by elton john
Elton John sings Goodbye Yellow Brick Road, the theme song for Fairly Legal
Dr. John
john sings it himself
John McLaughlin
John Sullivan the writer
Olivia From the show sings the theme song
Dr. John .