無 - Wu
music constructed from moments, sounded as if derived seperately from an eternal time-cycle in which the pre-beginning chaos becomes the existential end (tai ji / wu ji ouroboros)empty staves versus absent staves, two kinds of silence (the absolute becomes relative)
81 stanzas in Tao Te Ching
A4 = 433Hz such that E2 = ~81Hz
81 = 92
enneatonic scale based on Lo Shu magic square with a magic constant of 81
84 triadic combinations of pitch square
無 (Wu) is a Chinese term of negation (like the English prefix non-)