由本地無伴奏合唱隊伍的青年與嘉賓(Robynn & Kendy、美國及日本著名無伴奏合唱隊伍The Exhchange及SOLZICK等)，唱出多年來廣受歡迎的香港本土創作歌曲，把歡笑和祝福帶給全城。 Singing up Hong Kong – a Cappella Concert Launched by The Hong Kong Federation of Youth Groups Jockey Club M21, Co-create Hong Kong is a unique city-wide project that engages hundreds of young people in a collective partnership that highlights their creative and positive energy for Hong Kong.