Tantric chanting is considered an invocative ritual by Tibetan Monks

Tibetan temple music is particularly renowned in the west for its two forms of multiphonic singing known as jokkay (low tone) and barda (high tone). In both forms, each of the main chantmasters simultaneously intones three notes, thus each individually creating a complete chord. The Tibetans are the only culture on earth that cultivate this most extraordinary vocal ability. This tradition is also known as overtone singing because it is accomplished by means of learning to control the muscles of the voca