Home • News Exclusive: Making Music for the Gulf Aid Benefit Mos Def, Ben Jaffe, John Legend, and Lenny Kravitz make music to help the Gulf Coast. Mos Def Gulf Aid Benefit 260 Jpg By Essence · Updated October 29, 2020 Mos Def, Ben Jaffe, John Legend, and Lenny Kravitz make music to help the Gulf Coast.