One of the performing groups I'm consistently intrigued by are the Mummenschanz from Switzerland, who were quite popular in the 1970s and 80s and gained widespread appearance on the famous puppet show, the Muppets.
Transcending language, they still provoke an intense and intriguing encounter with art and concept.
They also were a prominent part of the Double video, Devil's Ball:
Here's another interesting demonstration of their art in action.
It speaks volumes, and I'm considering many more elements in the presentation of work, especially across cultures.