- Gerhard Pechner, Leonard Warren, Zinka Milanov, New Orleans Opera House Association Orchestra, Mario del Monaco, New Orleans Opera House Association Chorus, Norman Treigle, Walter Herbert, Claramae Turner, William Wildermann


Baryton · 1911 - 1960
Leonard Warren
Albums live
Compilations
- Pavel Lisitsian, Riccardo Stracciari, Antonio Scotti, Carlo Galeffi, Enrico Molinari, Mattia Battistini, Giuseppe Danise, Heinrich Schlusnus, Pasquale Amato, Mario Ancona, Alexander Sved, Joseph Schwarz, Cesare Formichi, Lawrence Tibbett, Carlo Tagliabue, Giuseppe de Luca, Leonard Warren, Titta Ruffo, Victor Maurel, Elisa Petri
- Orchestra del Teatro dell'Opera di Roma, Leonard Warren, Zinka Milanov, Robert Merrill, San Francisco Opera Orchestra, Gaetano Merola, Renato Cellini, Victoria de los Ángeles, RCA Victor Symphony Orchestra, Anna-Lisa Björling, Paul Franke, Jonel Perlea, Jussi Björling
- Leonard Warren, The Metropolitan Opera, Leonie Rysanek, Metropolitan Symphony Orchestra, Carlo Bergonzi, Erich Leinsdorf