Listen to Tosca: recondita armonia online. Tosca: recondita armonia is an Italian language song and is sung by Antonello Gotta, Silvano Sant'Agata and Compagnia d'Opera Italiana. Tosca: recondita armonia, from the album 50 Arias for Xmas, was released in the year 2010. The duration of the song is 3:13. Download Italian songs online from JioSaavn.