The Six Million Dollar Guitar
YouTube randomly suggested me this artist / video.
It's a musician playing in the street Sultans of Swing by Dire Straits and I really liked it and looked for the artist's profile.
You can find his works on Bandcamp under the name "The Six Million Dollar Guitar"
I particularly like this ambient guitar track! Very simple and effective, it could work in video games as well.
I can definitely see a rework of the whole soundtrack of Isle of Dinosaurs in that style.