Amazing Grace with Overtone Singing: Nestor Kornblum Cumie Dunio Mu OM

Nestor Kornblum sings the Melody of Amazing Grace using ONLY the pure Overtones (harmonics) in his Voice. Cumie Dunio sings the lyrics of the first verse with her lovely voice MuOM, Barcelona Overtone Choir accompanies with vocal background. Nestor is here the invited guest of MuOM, in the Basilica de Santa Maria del Pi in Barcelona.