Mos Def & Lenny Kravitz- “It Ain’t My Fault” Mos Def, Lenny Kravitz, the Preservation Hall Band, Trombone Shorty, and Tim Robbins teamed up recently to record It Ain’t My Fault to benefit Gulf Aid, a nonprofit created in response to the oil spill off the Louisiana Coast. Published by mike b. Husband, Father, Remixer, DJ, Producer, Building Code Analyst and Award-Winning Film Maker. Life is good. View all posts by mike b.