Additional example of the collective singing of the Cantopop song “Boundless Oceans Vast Skies” 海闊天空 in the Umbrella Movement in Causeway Bay on 28 September, 2014 (The First Day of the Movement). (Uploaded by YouTube User "RRRound Midnight")
Comments that referred to the singing of the "Happy Birthday to You" as 錯有錯著 cojaucozoek “making a correct mistake,” as well as “laugh out loud” icons. (Content in Traditional Chinese)