 In July 1969, he invited the devotees to Abbey Road Studios to make a recording of the Maha Mantra for release as a single.Harrison produced and performed on the song, for which Mukunda provided the musical arrangement and played mrdanga, and Yamuna and Shyamsundar served as lead vocalists.Malati, Janaki, Gurudas and others joined in as chorus singers, in addition to playing percussive instruments such as kartal.