Lyrics for songs by Berliner Philharmoniker, Herbert von Karajan, James Levine, Orchestra del Teatro alla Scala di Milano, Carlo Bergonzi, Fritz Wunderlich, José Carreras, Luciano Pavarotti, Metropolitan Opera Orchestra, Plácido Domingo, Bavarian State Opera Orchestra, Boston Symphony Orchestra, Claudio Abbado, Dietrich Fischer-Dieskau, Eugen Jochum, Ivo Vinco, Jerry Hadley, Jess Thomas, Karl Böhm, Leonard Bernstein, Neil Shicoff, Orchestra dell'Accademia Nazionale di Santa Cecilia, Rafael Kubelik, Roberto Benaglio, Seiji Ozawa, Staatskapelle Dresden, Stuart Burrows, Walter Born, Wiener Philharmoniker & Wiener Staatsopernchor