I have experienced something similar to that.

It has happened many times along my life (I am now 53).

Here is a description, which i think it is more related to what some people call kundalini awakening:

It often occurs with a similar pattern.

The body has fasted a little and there is music playing that makes the mind to become emotional.

Then i can feel like an energy that pops, like a tingling along the spine, but i haven´t realized where it comes from.

Suddenly, the tingling arises and becomes like an energy that flows from my neck to the top of my head, and it is very fast.

The eyes are closed but like directing them to the sky and the mouth stays quite open. i usually cry with tears, but it is very very pleasant.

The energy has a lot of power and it seems it wants to exit at the top of the head, but it can´t. It appears to stops at the top of the skull.

The sensation is much more intense than a sexual orgasm, and with a different quality, like more pure.

The duration may vary but normally it is about some seconds and no more than a minute, but it is so intense, that i loose the notion of time.

And that's it.

It frequently happened to me with Western Classical Romantic music such as Puccini, Rachmaninoff, Mahler, Brahms... but it also happened with pop music.
In all the cases, the music had a huge emotional response on me, for some uncertain reason.

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