Juan Formell ( August 2 , 1942 -- May 1 , 2014 ) was a Cuban bassist , composer , and arranger , best known as the director of Los Van Van .
Juan Clímaco Formell Fortuna ( 2 August 1942 -- 1 May 2014 ) was a Cuban musician , bassist , composer , and arranger . He was best known as the director of Los Van Van Orchestra .