Consider the introduction in this article to goatrance, at the very bottom of the website after all kind of psytrance subgenres.
Roland TB-303? Not mentioned. The archetype synthesizer of acid and goa trance.
Acid? Not mentioned. A genre related and inspirational to goa trance. Same with trance, and techno.
SH-101? Not mentioned. Frequently used synthesizer in trance, including goa.
4-4-4-4-1 bass-line? Not mentioned. Its the bass-line which is typically found in goa trance. Some tracks by Miranda even have a slightly different bass tone on every bass hit which creates a kind of 3D effect in the bass (it feels like salsa to me).
Etnica? Not mentioned. Huge name (with sub projects like Crop Circles and Pleiadians) in the 90s.
For me, a band like Juno Reactor is much more according to the psychedelic values than the conventional psytrance.
Also, goa trance wasn't formed in Goa in the 80s. It was the very end of the 80s, but more the early 90s (91-93). It was normal to combine all kind of genres back then (trance, techno, house, etc). Consider, for example, the legendary Paul Oakenfold - Goa Mix from 1994. Or this very mix which combines different genres in one [1] (though it includes acid, not goa trance).
Almost every track on it is less then 10 years old.
The concept of "acid" appeared in Chicago.
It's fascinating how goa trance came about. At first they were just strumming guitars out there and then came the drugs and the very early electronic music from labels like Harthouse and Eye Q ... those were the roots of this movement.
I considered deleting the videos, because of clear copyright violation, but I feel it's a bit of history that might get lost. Also, because of copyright claim, the producers are still getting ad revenue.
I'm gonna have to go listen to Trust in Trance now, such a classic.
I can understand that. The shift from raves to daytime 'festivals' basically killed the whole scene for me, the mood was all wrong (not to mention it was way too bright and often way too hot). I realise you can still find night raves but by the time the next one came around after a string of daytime events I'd lost interest.
Still have a giant playlist of live sets as my coding music though. I'll check out your link. :)
The vibe of those parties is completely absent from these middle of the day festivals. They're just...weird. A slammin' techno set at 3:00pm is so out of place.
And then all the Distance to Goa compilations.
And let's not forget this stomper https://www.youtube.com/watch?v=VSrNMGvd9bY
And then towards the end of the 90's the kicks became more pronounced and the melodies were dropped in favour of more psychedelic soundscapes. From that it seemed the genre split into daytime trance that was brighter and more uplifting and nighttime that was darker and more psychedelic. As a dj, people would grumble at you if you played daytime trance at night, or vice versa!
Even then most psytrance was played at a more sane Bpm < 145. And then I think the Russians came in around 2006. Artists like Kindzadza pushed the Bpm up to 150+ and it all went crazy. It seems artists started to compete with eachother to write the craziest tracks, and rather than reaching for more psychedelia, they just made the track faster. I'm almost a bit sad to see that the guide lists Forest as 150+ bpm. It was much more psychedelic at 145 (imho).
That was kind of when I dropped out of the scene, its quite crazy to look back and see how categorized it has become. Im going to have to have a browse..
For more, there is a ton of psytrance available to download for free on https://ektoplazm.com/.