The Lute of the Gandharvas
The Lute of the Gandharvas: The Garland of Offerings of the Sixteen Vajra Goddesses (Wyl. rdo rje'i lha mo bcu drug gi mchod phreng dri za'i rgyud mang) — a practice of offering featuring the sixteen offering goddesses. It is found in the Longchen Nyingtik Tsapö (Wyl. klong chen snying thig rtsa pod), vol. 2 (āḥ) pp.579-587.