There are some buddhist monks who have also adopted this style of singing, and i hear "throat singing" on songs every now and then as folks are learning to integrate it. Seeing Huun Huur Tu live is an incredible experience.. the horse figures very prominently in their culture and on many of their instruments there are horse's heads carved on the instruments. I think some were made out of horses bones and hides. too. try going to www.genghisblues.com for more info about the movie- I seem to recall that Paul Pen~a had health problems, maybe even passed away recently -anyone know?? also check out the smithsonian folkways c.d." TUVA- voices from the center of Asia" and a c.d. book combo (c.d. sized bound booklet w/ cd included) by Musical Expeditions "Deep in the Heart of TUVA" subtitled cowboy music from the wild east....by ellipsis arts.. there is also a video of the Tuva area with great scenery and cultural background info including a sacred springs where offerings are left. The scene is an interesting one with litle ribbons and strips of cloth tied all around on the bushes growing by the spring--left as offerings for healing power, etc. One of the dicoveries of Tuva was by stamp collectors who loved their triangular postage. Richard Feinman, a physisist (is that right--looks like too many "esses") from california (berkekly? stanford? down south? fell in love with the country=first form their stamps i think, and went there many times...he was like an ambassador for them...you will find Tuva mentioned in his writings...also check out the video "Herders of Mongun-Taiga" partr of the disappearing world series by Shanachie Entertainment group--http://www.shanachie.com/ The Tuvans live in high elevation--over 6'000 feet, in yurts, herding yak, sheep horses and goats..very interesting culture and russia has done a lot to repress many of the tuvan ways and to try to make the people conforn to soviet ways--until they found a way to capitalize on the rarity--the agent who travelled with the group when they were touring was a russian...