Precious video document from 1994, with Osmar Macêdo himself introducing his sons Armandinho and Aroldo Macêdo playing an instrumental of Caetano Velosos classic tune Atrás do Trio Elétrico, which, as Osmar explains, brought national attention to the Trio Elétrico tradition of Bahian Carnival  in 1969.

Footage: Ensaio Show on TV Cultura , form 1994, rebroadcasted after Osmars death in 1997.