Another thing to note here is that despite technology bringing new ways of looking at tonality to the table it's not a particularly new or revolutionary thing.
Anyone equipped with nothing more than a voice can get involved. Fretless instruments, violins for example, various wind instruments e.g. trombone have never been constricted to any defined system of formally spaced tones.
There seems to be a trend brought about by the internet that would suggest some magic numbers coming from devine sources that hold some special 'key' or 'healing' powers. I wouldn't go as far as dismissing any possibility in that area but none of the popular proposals I've seen put forward make any sense harmonically or melodically and besides most music contains so many complex waveforms and resonances anyway it's hard to believe anything is being missed out.
I've even seen theories that would suggest that A=440 concert pitch has been chosen due to military conspiracies over the years. If you are worried about any of that just tune sharp or flat and you will have foiled all those paranoia generated monsters that are out to get us all in one easy step....