Overview
- Alberto “Beto” Hassan died on Friday, October 24, in Buenos Aires at age 82, according to his family.
- The family announced a public farewell on Saturday from 4 to 8 p.m. at Casa América, Acevedo 1120, in Buenos Aires.
- Hassan co-founded Opus Cuatro in 1968 out of La Plata’s university choir movement and served as the group’s first tenor, known as “El Albino.”
- The quartet advanced complex a cappella folk arrangements and amassed roughly 7,000–8,000 performances with extensive tours in Europe and the United States.
- He retired from the ensemble in 2015 after a farewell tour, giving his last concert on June 13 in Rojas, as artists including Teresa Parodi shared tributes to his legacy.