Music and other creative technologies are quintessential skills for serenading the gods, chanting mantras, etc.
InnovAnon likes instruments which are simple to make and simple to play. They should be tuned to experimental base frequencies and using experimental tunings (NOT temperaments).
Musical parts should be simple enough for a non-musician to play during ceremonies. Each musician may improvise and otherwise embellish his/her assigned part.
sourceIt was voodoo, apparently, but voodoo of a more terrible sort than they had ever known; and some of their women and children had disappeared since the malevolent tom-tom had begun its incessant beating far within the black haunted woods where no dweller ventured. There were insane shouts and harrowing screams, soul-chilling chants and dancing devil-flames; and, the frightened messenger added, the people could stand it no more.
sourceThe five colors make one blind in the eyes
The five sounds make one deaf in the ears
The five flavors make one tasteless in the mouth
Racing and hunting make one wild in the heart
Goods that are difficult to acquire make one cause damage
Therefore the sages care for the stomach and not the eyes
That is why they discard the other and take this