1. Yunnan University for the Aged Choir: Yunnan University for the Aged has several courses, including choir. You can log on to the school website to get detailed information, and then follow the instructions to register.
2. Choirs for the elderly in other communities and institutions in Kunming: Many communities and institutions have their own choirs for the elderly. You can ask for advice in the local community or organization first to see if there is a suitable team to join.