Robert Andre Glasper (born April 5, 1978) is an American pianist and record producer. He has been nominated for seven Grammy Awards and has won three Grammys and one Emmy Award. His 2012 album Black Radio won the Grammy Award for Best R&B Album at the 55th Grammy Awards. His 2014 album Black Radio 2 was nominated for the Grammy Award for Best R&B Album at the 56th Grammy Awards. The song "These Walls", on which Glasper plays keys, from Kendrick Lamar's album To Pimp A Butterfly won Best Rap/Sung Collaboration at the 57th Grammy Awards. The soundtrack for the film Miles Ahead, for which Glasper was a producer, won Best Soundtrack Compilation at the 58th Grammy Awards. The song "Letter to the Free", written with Common for the Ava DuVernay documentary 13th, won the 2017 Primetime Emmy Award for Outstanding Original Music and Lyrics.