In 1984 he was elected to the Nashville Songwriters Hall of Fame. He received a Doctor of Music degree from Lincoln College, Illinois in 1991 for his major contribution to American music. In May 2000 he received an Honorary Doctorate of Humane Letters Degree from Claremont Graduate University. He is a Founder of the Los Angeles Music Center He is a member of the Board of Governors of Cedars-Sinai Medical Center. He is currently a member of the Board of Directors of ASCAP, having served as its President, and where he now works on reform of intellectual property rights. He serves the Advisory Board of the Society of Singers. He is a member of the Board of Visitors of Claremont University in California. He is currently the Chairman of the Board of the National Academy of Popular Music and its Songwriters' Hall of Fame.

Promises, Promises (1968) - musical - lyricist - Tony Nomination for Best Musical André DeShield's Haarlem Nocturne (1984) - revue - featured songwriter The Look of Love (2003) - revue - lyricist