I find it fascinating too though I never considered if it could be a pain in the neck as it seems to be for jimi. I always imagined my experiences would be like the other two.

When I was YOUNG - middle school I think - there was a book called "Go Ask Alice." It was supposedly the published diary of a girl who got involved with drugs but was later classified as a work of fiction....

Anyway, in the book the girl talks about doing LSD. When she did it, one of the ways she described her experience was that she could "hear colors and see sounds." This of course made it so that I HAD to try this even though the Epilogue of the book has her dead. The first time I ever experimented with drugs it was most definitely a hallucinogen. Turned out to be mescaline but I did do acid later. I couldn't describe my experience that way, but I CAN say that while I was listening to songs I heard things I never heard before. It was like my brain was either slowing down the music or picking apart the layers so that I heard every note from every instrument. It would be like listening to an orchestra and then all of a sudden you just kept hearing the TRIANGLE in all that sound. I definitely liked the experience and often wished I was a synesthete.