sing-along

or sing·a·long

[ sing-uh-lawng, -long ]
/ ˈsɪŋ əˌlɔŋ, -ˌlɒŋ /

noun

an informal or unrehearsed singing of songs by a group of people, usually under the direction of a leader; songfest.
an occasion marked by such singing.

Origin of sing-along

First recorded in 1955–60; noun use of verb phrase sing along
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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