Giovanni Bortoluzzi - Greensleeves with Polyphonic Overtone Singing
scala degli armonici naturali nella voce - canto difonico/overtone singing - Giovanni B. Bortoluzzi
Giovanni Bortoluzzi - Igil and Tuvan Throat singing (Practicing)
Le interviste di MusicAlchimiA - il CANTO ARMONICO DIFONICO con Giovanni Bortoluzzi
7 stili di Canto Armonico Difonico Tuvano (khöömei) - Giovanni Bortoluzzi
Tutorial Overtone Singing
UNDERTONE SINGING TUTORIAL - Lesson 3 - false vocal folds/kargyraa
Handpan (major scale) & Overtone singing - Luana Donadel & Giovanni Bortoluzzi
Giovanni Bortoluzzi & Simona Manias - Overtone singing in Venice
Polyphonic Overtone Singing - Greensleeves - Canto Difonico armonico avanzato - Giovanni Bortoluzzi
CANTO DIFONICO - Frère Jacques with Overtone Singing - Giovanni Bortoluzzi & Walter Mantovani
Four L's Method - Giovanni Bortoluzzi - Overtone singing lessons
Throat Singing Low Notes - E2 to E1 (Tuvan Kargyraa) - Giovanni Bortoluzzi
Throat Singing Kargyraa and Overtone Singing with Giovanni Bortoluzzi
Giovanni Bortoluzzi - 9/8 Circle song with overtones
Giovanni Bortoluzzi - Charles Berthoud Schecter Bass Contest
canto difonico - amazing grace - Giovanni Bortoluzzi
Giovanni Bortoluzzi - Western Overtone singing and Tuvan Igil
Overtone Singing Exercise (Overtones from 4th to 14th) - Giovanni Bortoluzzi
Synchron Harmonic Singing and Whistling - feat. Giovanni Bortoluzzi
