Stephen Lee Bruner, better known by his stage name Thundercat, is an American musician, singer, record producer, songwriter, and bassist from Los Angeles, California. First coming to prominence as a member of heavy metal band Suicidal Tendencies, he returned to his musical roots, placing a strong focus on funk, soul, progressive R&B, psychedelia and jazz-fusion. He has since released five solo studio albums and is noted for his work with producer Flying Lotus and his appearances on Kendrick Lamar's 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. In 2020, Thundercat released his fourth studio album, It Is What It Is, which earned him a Grammy Award for Best Progressive R&B Album. Rolling Stone has ranked him as one of the greatest bass players of all time.