| Hans Foltz - bass : chaudronnier |
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| Les Maîtres-Chanteurs de Nuremberg (traduction de Alfred Ernst) (1949-1950) |
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| Date | Time | Place | ||
| 13-12-1949 | 19:00 | La Monnaie (Brussels) | ||
| 18-12-1949 | 14:00 | La Monnaie (Brussels) | ||
| 22-12-1949 | 19:00 | La Monnaie (Brussels) | ||
| 03-01-1950 | 19:00 | La Monnaie (Brussels) | ||
| 08-01-1950 | 14:00 | La Monnaie (Brussels) | ||
| 17-02-1950 | 19:00 | La Monnaie (Brussels) | ||
| 01-03-1950 | 19:00 | La Monnaie (Brussels) | ||