Guerrero Los Gavilanes, Argenta/Orquesta de Cámara de Madrid, 1954 (London International TW 91012). Cast from Discogs release r10346653: Ausensi (baritone) as Juan, Rosado (treble) as Adriana, Berganza (treble cómica) as Rosaura, Munguía (tenor) as Gustavo. Character-voice mappings confirmed by zarzuela.net synopsis.