Assumption University of Thailand (AU), paticipated in The Pre-elementary Schools Melodion Festival which was  initiated by the Melodion Association and many organizations such as Ministry of Education, Ministry of Culture, Ministry of Tourism and Sports, Royal Thai Army Band Department and Assumption University of Thailand to Commemorate King Bhumibol Adulyadej and to Honor King Maha Vajiralongkorn.

At the Music Tribute Festival, Ajarn Glen Chatelier, Director of Office of International Affairs representing  the Rev. Bro.Dr. Bancha Saenghiran, President-Rector Magnificus, Assumption University of Thailand (AU) attended and received the Honorary Plaque from Her Royal Highness Princess Aditayadornkitikhun. The Director on behalf of the University gave a congratulatory gift of the Assumption University insignia benjarong to Mr. Den Kanbutr, President of the Melodion Association of Thailand on April 4, 2021 at the Island room, 3rd floor Fashion Island Shopping Mall, Bangkok. Two other University representatives, Dr. John Barnes, Senior lecturer, the Graduate School of Business and Advanced Technology Management and Mr. Thanathip Singhakul, Staff, The Office of International Affairs also attended the event.