1990 finally saw Gamble and Huff recognized with a Grammy Award for Best R&B Song, awarded for Simply Red's cover of the Blue Notes' 1972 hit "If You Don't Know Me By Now". Also in 1990, Mighty Three Music was acquired by Warner Chappell Music. In 1999, Gamble and Huff were honored with the Grammy Trustees Award, joining musical luminaries like Frank Sinatra, The Beatles, and Walt Disney. Their career output of over 3,000 songs places them among the most prolific professional songwriters of all time.