The mystical sounds of Tibetan bells and singing bowls have been used for centuries in Buddhist meditation and religious rites. Henry Wolff and Nancy Hennings first encountered these instruments during a 1969 trip to India and Nepal where they studied with the Kagyu branch of Tibetan Buddhism. Since 1971, the duo has been releasing a subtle, haunting series of recordings featuring Tibetan bells, including a collaboration with Grateful Dead percussionist Mickey Hart called Yamantaka. Wolff and Hennings also contributed their skills to the Philip Glass soundtrack for the film Ko...