Listen to Puccini: Tosca, Act I: Recondita armonia online. Puccini: Tosca, Act I: Recondita armonia is an Italian language song and is sung by Luciano Pavarotti, National Philharmonic Orchestra and Nicola Rescigno. Puccini: Tosca, Act I: Recondita armonia, from the album The No. 1 Opera Album 2007, was released in the year 2007. The duration of the song is 2:58. Download Italian songs online from JioSaavn.