I Masnadieri
by Giuseppe Verdi
A Philips recording of I Masnadieri performed by the  Ambrosian Singers and the New Philharmonia Orchestra with Ruggero Raimondi, Carlo Bergonzi, Piero Cappuccilli, Montserrat Caballé, John Sandor, Maurizio Mazzieri, and William Elvin conducted by Lamberto Gardelli, can be ordered from amazon.co.uk.
I Masnadieri recordings at gemm.com