Song name of a super rare 90's dbz video

[NormalHero]

in the 90's toei animation does a sort of psychedelic animation reel which, as I read some time ago on some sites, was showed in exhibitions called "toriyama's world"

https://youtu.be/v-6_4Fd-C9w (from 3.45)

if anyone knows japanese i thinks is simple for him search the lyrics on google.

thank you!

[Xeogran]

I remember asking about it before too. Truth is, nobody knows. The singer wasn't credited anywhere and the song only exists in this special segment. Only hope would be if someone can recognize his voice, so maybe we would have a clue.