While sheltering-in-place in their apartment building, this woman decided to give her fiancé a surprise on his thirtieth birthday. She made hand-made invites secretly to send to her neighbors in the apartment, asking them to come up to their windows at a fixed time to sing him a birthday song. When her fiancé was walking down the lobby of his building, she asked him to look out of the window. He was surprised to see everyone at their window singing him a birthday song.