sixty aspects of melodious speech, voice of sixty qualities, of sixty melodious aspects. Sixty qualities are ascribed to the Buddha's voice in a Sutra. Sixty aspects of speech, according to Tantra, there are six categories: like the voice of Brahma, cymbals, song, the kalapinga bird, thunder, and a sitar. There are sixty aspects when each of them are multiplied by these ten: generating understanding, comprehensible, being worthy of respect, without discord, extremely profound, acceptable, indomitable, pleasing to hear, unconfused, and extremely distinct
[TRS 85-2 / 86-4 / 87-1] 3 types; 1 according to Sutra and 2 of Tantra