Mike Lévy (born 13 June 1987), known professionally as Gesaffelstein, is a French record producer and DJ. He has worked alongside artists as varied as The Weeknd, Tiga, Miss Kittin, A$AP Rocky, Lana Del Rey, Phoenix and Kanye West. He co-produced two tracks on Yeezus, the sixth album of American rapper Kanye West, including the lead single "Black Skinhead" and "Send It Up", both tracks produced with Kanye West, Daft Punk, Brodinski and Mike Dean. On October 28, 2013, Gesaffelstein released his debut album Aleph under OWSLA, Bromance Records, Parlophone Records and EMI Music, which had been recorded since 2011. His remix o