The musicians were performing on what appears to be authentic instruments from that era -- or at least made in the same image. Drums, conch shells and flutes. They have managed to keep the same music and dance that had been performed by the Aztecs more than five hundred years ago.
This is also a frame capture taken from video, using the Canon PowerShot A1100 IS Digital Camera. To see the video, go to YouTube:
www.youtube.com/watch?v=5gejdGlDta4 