. "1831"^^ . . . . "Ensemble vocal"@fr . . "1989-06-01" . . . . . . . . "Lun's students choral society"@fr . "Ensemble vocal"@fr . "2000-03-21" . "13904718"^^ . "Lun's students choral society"@fr . . . . . "Ensemble vocal"@fr .