名词（非正式的）歌唱聚会，歌咏会
1. (众人自娱自乐的)合唱，歌唱会
A singalong is an occasion when a group of people sing songs together for pleasure.
e.g. How about a nice sing-along around the piano?
围在钢琴边来个合唱怎么样？
noun
1. informal group singing of popular songs
Synonym: singsong