Marilyn Horne (above) and Richard Torigi sing the duet of Mimi and Marcello from Act III of Puccini's LA BOHEME, conducted by Janos Ferencsik. The performance dates from September 1963. Listen here.
In 1966, Richard Torigi was my first Iago in Verdi's OTELLO in a performance given at Syracuse, New York. Read about it here.