La bohème: Atto II. “Chi guardi?” (Rodolfo, Colline, Mimì, Schaunard, Marcello, Coro) by Herbert Huffman , Thomas Martin , Jussi Björling , Columbus Boychoir , Robert Merrill , William Nahr , RCA Victor Chorus , John Reardon , Giorgio Tozzi , Victoria de los Ángeles , RCA Victor Symphony Orchestra , Sir Thomas Beecham