We are presenting musical ensembles formed by Quartets, Quintets, Sextets, Septets Octets and Nonets. The groups of four, five, six, seven, eight and nine are featured including Cuarteto Patria, Buenos Aires 8, Octeto Buenos Aires, Sorin Octeto, Octeto de Cesar Camargo Mariano, Septeto Nacional Ignacio Pineiro, Septeto Soneros San Luis, Quinteto Contrapunto, Quinteto Pirincho, Cuarteto Zupay, Los Cuatro Cuartos, Opus 4, Vocal Vidas, Quinteto Astor Piazzola, and Vieja Trova Santiaguera.