What year was Huun Huur Tu's album Altai Sayan Tandy-Uula released?

The album "Altai Sayan Tandyuula" by the Mongolian throat singing group Huun-Huur-Tu was released in 2004. This album showcased the unique and ethereal vocal style of the Tuvan people, highlighting traditional throat singing techniques and blending them with contemporary music elements. With its captivating melodies and mesmerizing harmonies, "Altai Sayan Tandyuula" propelled Huun-Huur-Tu to international recognition, making it a significant release in the world music genre.