“Building a Bridge Between Heaven and Earth on the Wings of Song: The Use of Music in a Hallucinogenic Healing Ritual in the Lower Huallaga, Loreto, Peru”. Peruvian Amazon, no. 4 (January 14, 1979): 71–100. Accessed September 11, 2026. https://amazoniaperuana.caaap.org.pe/index.php/amazoniaperuana/article/view/235.