La bohème
~ Release group by Ruggero Leoncavallo; Heinz Wallberg, Lucia Popp, Franco Bonisolli, Alexandrina Milcheva, Bernd Weikl, Alan Titus
~ Release group by Ruggero Leoncavallo; Heinz Wallberg, Lucia Popp, Franco Bonisolli, Alexandrina Milcheva, Bernd Weikl, Alan Titus