Kargyraa
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Kargyraa is a deep, "undertone" technique used in Tuvan throat singing. The vestibular folds or false vocal folds are vibrated to produce an "undertone" exactly half the frequency of the fundamental produced by the vocal folds, and the mouth cavity is shaped to select harmonics of both the fundamental and the "undertone," producing from four to six pitches simultaneously.Template:Music-stub zh:卡基拉