https://conservatoire.grandnancy.eu/saison-culturelle/agenda/details-agenda?uuid=1d550324-fd1c-11f0-ab9e-5dabe288607d 2026-05-26 https://conservatoire.grandnancy.eu/saison-culturelle/agenda/details-agenda?uuid=8a691b2a-fd1d-11f0-bdfc-97f28b437456 2026-03-31