If you are looking for the specific SFM video titled , it was created by the animator Healbeam and features the mercenaries dancing to this track.
Composed by the , this track was officially added to the Team Fortress 2 soundtrack as track number 27 during the Gun Mettle Update in 2015. It is a high-energy, full-length version of the song "Cossack Sandvich," which accompanies the in-game group taunt. Key Musical & Cultural Details The Kazotsky Click
The musical piece used for "The Kazotsky Click" (a popular Source Filmmaker/community variation of the Team Fortress 2 taunt) is titled . If you are looking for the specific SFM