Compay Segundo is heralded by many as one of the "fathers" of Cuban music. The former bandleader's magic touch can be heard in contemporary flamenco, salsa, and rock n' roll. The legend came to international attention following his pivotal turn on the documentary album Buena Vista Social Club, which captured many of Cuba's legendary musical veterans in the twilight of their careers. The pioneering songwriter and guitarist also invented armónico, a seven-stringed guitar-like instrument created to eliminate a harmonic jump in the Spanish guitar and the tres. In the 1950's, Compay became well-known as the second voice and tres player in Los Compadres, a duo he formed with Lorenzo Herrezuelo in 1947.