Soon, the rest of the crowd joined in, with many wiping tears from their eyes. An impromptu rendition of Don't Look Back In Anger by Manchester band Oasis followed the tribute.
The video of the touching moment was captured by Josh Halliday of the Guardian, and he caught up with the woman who started it all afterwards. We can't be looking backward to what happened, we have to look forwards to the future...
"And so Sally can wait, she knows it's too late as we're walking on by/Her soul slides away, "But don't look back in anger", I heard you say", they sang of the 1996 hit on Thursday. "We're all gonna get on with it, because that's what Manchester does".
British-born Salman Abedi, 22, who was known to security services, carried out an attack on a concert venue packed with children on Monday night. The explosion occurred at around 10:33 p.m. local time.