细节
Nineteen albums:
approximately 150 records by Bockelmann, Flagstad, Hotter, Husch, Lotte Lehmann, Janssen, Kurz, Leider, Leisner, Ljungberg, Melchior, Onegin, Schlusnus, Chorr, Slezak and Volker (19)
approximately 150 records by Bockelmann, Flagstad, Hotter, Husch, Lotte Lehmann, Janssen, Kurz, Leider, Leisner, Ljungberg, Melchior, Onegin, Schlusnus, Chorr, Slezak and Volker (19)