In his career, Mario Negrão accompanied as instrumentalist Baden Powell, Carlos Lyra, Claudete Soares, Clara Nunes, Chico Buarque, Egberto Gismonti, Leila Pinheiro, MPB4, Paulinho Nogueira, Quarteto em Cy, Rosinha de Valença, Sergio Ricardo, Tom Jobim, Toquinho, Vinícius de Moraes, among others.
Mario | Super Mario Bros. | Mario Testino | Mario Vargas Llosa | Mario Lemieux | Mário Soares | Mario Lanza | Mario Botta | Mario Cuomo | Mario Andretti | Mario Monti | Mario del Monaco | Mario Batali | Mario Balotelli | Mario Winans | Mario Savio | Mario Puzo | Mario Bava | Mario Van Peebles | Mario Sorrenti | Mario Merz | Mário de Andrade | Mario Morales | Mario Martone | Mario Lopez | Mario Borghezio | Super Mario Bros. 2 | Super Mario Advance | Super Mario 64 | Mario Roatta |