The writer of the lyrics for the musical "Rex" collaborated with what composer on "Fiddler on the Roof"?
Rex (musical): Rex is a musical with music by Richard Rodgers, lyrics by Sheldon Harnick and libretto by Sherman Yellen, based on the life of King Henry VIII. Sheldon Harnick: Sheldon Harnick (born April 30, 1924) is an American lyricist best known for his collaborations with composer Jerry Bock on musicals such as "Fiddler on the Roof".
Jerry Bock