sing-along

or sing·a·long

[sing-uh-lawng, -long]

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. 2018

Examples from the Web for sing-along

Contemporary Examples of sing-along

This is a chihuahua who likes to sing-along to a Vampire Weekend song.
This Is a Video of Baxter the Baby Dog Singing Vampire Weekend's "Cape Cod Kwassa Kwassa"
Brian Ries
October 15, 2013
Every year, according to one Fox staffer, she invites everyone over to her house for a Christmas-carol sing-along.
Lauren Green, the Woman Behind Fox News’ Reza Aslan Interview Debacle
David Freedlander
July 30, 2013
The “Sweet Caroline” sing-along is just one of many moments that create the euphoric atmosphere of Penn State football.
Penn State Goes Too Far in Its Purge of All Things Paterno
John Hendrickson
August 29, 2012

Word Origin and History for sing-along

1959, noun and adjective, from verbal phrase; see sing (v.) + along (adv.). Originally associated with U.S. music producer Mitch Miller (1911-2010).

Online Etymology Dictionary, © 2010 Douglas Harper