According to the current information, there is no public singing machine or karaoke facilities in Hongyang Square in Anqing. However, in some leisure and entertainment places or tea shops in Hongyang Square, there may be entertainment facilities and services such as singing and karaoke.

If you want to go to Hongyang Square in Anqing to sing or participate in other music activities, it is suggested to find entertainment places or restaurants in the local area and inquire about the information about entertainment facilities in advance.