I had a similar experience with ketamine listening to different music. It felt almost like I was engulfed in the music, in a very positive and beautiful way. Having experienced opiates, MDMA, 2C-E, 2C-B, LSD, shrooms, and DMT, ketamine is still the experience I am most fond of. I sometimes wonder what certain music would feel like to experience on ketamine.

I experienced severe depression in my teenage years. Towards the end of them, I had this ketamine experience (well, a few sessions, but this one stands out in particular.) My depression has never come back nearly as strong as before (it's been over 10 years.)