Stephen Lee Bruner (born October 19, 1984), better known by his stage name Thundercat, is an American musician, record producer, singer and songwriter from Los Angeles, California. First coming to prominence as a member of crossover thrash band Suicidal Tendencies, he has since released four solo studio albums and is noted for his work with producer Flying Lotus and his appearance on Kendrick Lamar's critically acclaimed 2015 album To Pimp a Butterfly. In 2016, Thundercat won a Grammy for Best Rap/Sung Performance for his work on the track "These Walls" from To Pimp a Butterfly.

Robert Glasper (born April 5, 1978, in Houston, Texas) is an American singer, pianist and record producer. He has been nominated for 7 Grammy Awards, has won 3 Grammys and an 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.