yongdzin yeshe gyaltsen (also known as khachen yeshe gyaltsen, tutor of the 8th dalai lama, 1713–93) composed a commentary on chökyi gyaltsen's mahamudra text, entitled "the lamp of the clear and excellent path of the oral tradition lineage" ("yongs-'dzin ye shes rgyal mtshan"). he also comments on mahamudra in the context of lama chopa guru yoga.