I used to work in a cd shop selling classical music and jazz. I mainly prefered contemporary classical music and free jazz. A lot of the contemporary composers experiment(ed) with frequencies in their compositions. Most of my clients found the music too 'difficult to understand' and I often tried to tell them to stop wanting to understand, to leave thoughts behind and just feel it, to go with the flow. Most people couldn't, but some tried and got themselves hooked as well
Strange! I had some clients who loved free jazz, but a lot of them were 'out there', some of them even had physical problems... Like I said I love it too!

... When I went to those concerts I often saw very spirited musicians deeply connected with the improvisations they played or sang. They were in tune with each other telepatically and I felt like I, as an audience member, could join in this conversation without words. For me listening to this music I felt released from my own mental debris... it shook my body open... stuff came out...
It's like a double edged sword, I guess: it can shake your body open after which karma/stuff could be released. If you go too far/too deep (read: too much) at once it will create problems... it's like the ancient Chinese proverb used when someone wants to condemn an enemy: "May all your karma be released within a week". It sounds nice, but your body can't handle that and you'll die an awful death (not good)!
The body is 'open', it needs to rest, to adapt to the excesses of the musical earthquake or incision, you need to balance it with peace(ful music).
For me it's very difficult too listen to extreme free jazz or atonal classical music now. It hurts on a 'chakralogical' level when I listen to it too long
This is of course my personal view on and experience with this. I would like to hear other people's stories as well...
Here's some contemporary classical music which I hope you'll find interesting:
Do you still dare to listen?
György Ligeti - Lux Aeterna ~~~~~~~~~~~~~~~~~~~~~~~~~~
Morton Subotnick - Sidewinder ~~~~~~~~~~~~~~~~~~~~~
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It's very interesting as well to play them both at the same time. You'll need to lower the volume of the Subotnick-track though...
Peace, love, beautiful music & light!
xxdA.