"Seven-Line Song is sometimes called Seven-Line Prayer/Tsig-dun Soldep, or Dorje Tsig-dun/Seven Thunderbolt Phrases. We both sing and chant Seven-Line Song. When one practices it as Song, one finds the presence of awareness in the dimension of sound."
Compassion & The Nine Yanas, Ngak'chang Rinpoche, Aro Encyclopaedia