 Several complete operas, including Erich Leinsdorf's famous Rome sessions, which began with the 1957 stereo recording of Puccini's "Tosca" with Zinka Milanov, Jussi Björling, and Leonard Warren, were also reissued.Victrola released a number of compilations of operatic recordings, taken mostly from 78-rpm Red Seal discs.RCA Victor had an extensive catalog of operatic recordings by famous singers from opera's golden age, dating back to its beginnings as the Victor Talking Machine Company in the early 1900s.