Henry Alfred Steinway, better known by his stage name RL Grime, is an American record producer and DJ. RL Grime specializes in trap and bass music and is a member of the Los Angeles electronic music collective WeDidIt. His debut Grapes EP was released in April 2012 on WeDidIt. RL Grime premiered a popular Halloween mix in October 2012, which have continued to be released annually through 2023. His follow-up EP High Beams was released in July 2013 on Fool's Gold Records, which debuted at No. 8 on Billboard's Dance/Electronic Albums chart, and No. 1 on the iTunes Electronic Chart. RL Grime has produced remixes for Benny Benassi, Chief Keef, Jamie Lidell, and Shlohmo. His second studio album, Nova, was released in 2018. In February 2019, RL Grime announced the founding of his record label Sable Valley.