Mon, 20 July 2009 Here's a singer who was the muse of Maria Callas, among many other great sopranos, who opened the San Francisco Opera's War Memorial Opera House and who was considered one of the great singers of her day. Ever heard of her? Probably not; so here she is. Meet Clauda Muzio!Comments[0] |

Here's a singer who was the muse of Maria Callas, among many other great sopranos, who opened the San Francisco Opera's War Memorial Opera House and who was considered one of the great singers of her day. Ever heard of her? Probably not; so here she is. Meet Clauda Muzio!