Sing-along
A sing-along was a Human ritual around a campfire, frequently practiced after one consumed marshmallows.

Spock, Kirk, and McCoy were camping on shore leave in Yosemite National Park. Spock produced a dispenser of marshmallows, (calling them "marshmellons"), and told the others that after one consumed the treats, one must engage in a ritual known as a sing-along. Kirk and McCoy discussed several songs to sing including "Pack Up Your Troubles", "Moon over Rigel VII", and "Camptown Races" before settling on "Row, Row, Row Your Boat". ()

On two different occasions, Neelix suggested a singalong; while sharing accommodations with The Doctor (a successful ruse to get The Doctor to agree to turn the lights out so Neelix could sleep) () and while looking after children when the 's power was intentionally disrupted (a way to amuse the children in the dark). ()

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Music genres
Recreation