Bonampak: Structure 1, Room 1 [January 2, 2004]

"The first five [musicians] wear tall white headdresses and painted leather skirts and they shake large magical gourd rattles." Freidel, Schele & Parker then go on to say that "in this Bonampak scene, then, the 'musicians' are not just playing music, they are participating in the conjuring of powerful supernaturals into the festival arena."

Freidel, Schele & Parker, Maya Cosmos: Three Thousand Years on the Shaman's Path, p. 257 & 453