There are benefits of group singing.
What are some?
A sense of unity, improves mental alertness. Improved blood circulation and an oxygenated blood stream allow more oxygen to reach the brain.(this improves mental alertness, concentration, and memory), bonding, fun, happiness, learning to work together in unison with others has many more benefits. Go to the following sites and books that out line those benefits.
A Stacy Horn outlines her adventure in group singing in a book:
The New science of singing together:
Benefits discussed in this article: pain management, improved immune system, stimulating memory, and more.
My mother at 96 could remember and sing songs of her youth and sang to nurses and visitors alike during her last months which kept her mentally alert. It works at assisted living homes, when all join in with the singing, which amplifies the benefits because of it being group singing.
So, whether at church, the ball park (National Anthem), or in your family, or with friends at a party of elsewhere, singing with others is a good thing.
Catch you later and keep singing.