I'd probably say the music of Kaikhosru Shapurji Sorabji.
311-Down
>>60301293
most complex non-art music I've ever heard is autechre
recommend me some over the top classical /mu/
The random sounds of nature are more complex than anything that can be written down
>>60301293
>>60301733
I agree with this
https://www.youtube.com/watch?v=fPkc02A3kcQ
https://www.youtube.com/watch?v=qc98u-eGzlc
>>60301690
https://www.youtube.com/watch?v=qxbpF_aW4vU
>>60301771
>that desctiption
every single time
By "complex" I mean by far the most utterly bizarre thing I have ever heard on a very complex level
>>60301690
https://www.youtube.com/watch?v=8PjyCpRKDrk