Jul4 MuOM, Barcelona Overtone Singing Choir Posted on July 4, 2016 by haidiphonie Standard MuOM, Barcelona Overtone Singing Choir Published on Dec 1, 2014 MuOM concert clips at: Casa del Tibet & La Sagrada Familia. Impromptu singing in the Plaça Catalunya metro. Workshop moments at Nírmala Yoga & Therapies Center. Share this:TwitterFacebookLike this:Like Loading... Related