Nina Simone, Fiona Apple, Susana Baca, Marvin Gaye, Donny Hathaway, Bilal, Sam Cooke, Five Stars, Bob Marley, Sister Carol, Chaka Demus & Pliers, 2Pac, Biggie, Jay-Z, Carlos Santana, John Coltrane, Miles Davis, Horace Silver...
Reward good play and behavior