1.
Healing Sounds of the Didgeridoo An Invitation to a Personal Spiritual Journey
by de Ruiter, Dick, Vrolijk, V...
ISBN: 9789074597487
List Price: $19.95
2.
Harmonic Overtones Magical Vibrations in Voice and Music
by de Ruiter, Dick, Vrolijk, V...
ISBN: 9789074597586
List Price: $23.50