Claim: Les Jumo's single "Mama Sima" came out in 2008, and their single "C Show," (featuring Willy William, a French-Mauritian DJ, record producer, and singer) came out in 2010.
Evidence: 2008 "Mama Sima" 2010 "C Show" featuring Willy William and Vybrate Willy William (born April 14, 1980) is a French-Mauritian DJ, record producer and singer, famous for his club remixes and vocal collaborations with a number of dance music artists.