David Bryan

David Bryan Rashbaum (born February 7, 1962), better known as David Bryan, is the keyboard player of American rock band Bon Jovi. With the band, he has co-written songs and sings backing vocals. 
He is also the co-writer of the successful Broadway musical "Memphis". He wrote the music and lyrics. Joe DiPietro wote the book and some lyrics.
"Memphis" played on Broadway from October 18, 2009 to August 5, 2012. The Broadway production won Best Musical in the Live Theatre division of the Golden Icon Awards, as well as four Tony Awards including Best Musical and four Drama Desk Awards. These make "Memphis" the most nominated show on Broadway.
Second musical.
Bryan also co-wrote the musical "The Toxic Avenger", also with Joe DiPietro. The musical made its off-Broadway premiere at New World Stages on April 6, 2009.