HONG KONG -- You can gauge a lot about a revolution from its soundtrack. Along with boycotts, blockades and human chains, group singing has been a part of Hong Kong's protest movement since it erupted on June 9 when more than a million people took to the streets over a proposed anti-extradition law.
Life
'Glory to Hong Kong': anthem born of turmoil turns into music of hope
Crowds sing anonymous composer's song in malls and streets
