Tosca: Mario! Mario! Mario! - Highlights - song and lyrics by Giacomo Puccini, Michael Tilson Thomas, Hungarian State Radio and Television Orchestra | Spotify
The Best Opera Recording Ever Is Maria Callas Singing 'Tosca.' Hear Why. - The New York Times
Mario Cavaradossi enters - Puccini's Tosca: a beginner's guide - Classic FM
File:Puccini - Tosca - Mario Sammarco as Scarpia - The Victrola book of the opera.jpg - Wikimedia Commons
Tosca - Mario! Mario! Son Qui! (atto Primo) By Giacomo Puccini (1858-1924) - Score Sheet Music For Soprano, Tenor And Orchestra - Buy Print Music M7.VGH-2387-12 | Sheet Music Plus