 This time Bethânia accepted, and for the first time in her life she went on stage to sing for an audience, opening the play performing a samba by Ataulfo Alves.That same year, Bethãnia and her sister met singers Gilberto Gil and Gal Costa; Caetano had been invited to put on an MPB show to inaugurate the Teatro Vila Velha.The four artists got together and, in 1964, staged "Nós, por exemplo" ("We, for example").