The Voice Props Pack Add-on for Rust has 7 achievements.
Dance with 2 other players at the front of the Cargo Ship.
Use a megaphone while in another player's Tool Cupboard radius.
Record another player speaking onto a Cassette.
Dance near a playing Boom Box on an active Disco Floor.
Stare into a laser light for 30 seconds.
Listen to the Rust soundtrack from a Boom Box for 30 seconds
Play an instrument while floating in an Inner Tube while listening to a Boom Box play a radio stream