Concert· Liege
GUMMI
I don't have enough context to know what event you're referring to — "GUMMI" could refer to several things, and I don't see any attached materials or details about the event. Could you share more information, such as: - A description, flyer, or agenda for the event - The full name or acronym behind "GUMMI" - Where you encountered it (e.g., a conference