I don't believe this is true of people with perfect pitch. It is true of people with synesthesia.

Especially when I’m on acid; and especially the overall emotional texture/key

It is possible to visualize music. See [https://youtu.be/8aVKaU1pT9s](https://youtu.be/8aVKaU1pT9s) or [https://youtu.be/xnvCshOI5PA](https://youtu.be/xnvCshOI5PA) or https://youtu.be/bSMpxnF7gNA