“Greek blues” usually refers to rembetika but here we can take it literally.
Paul is a multi-intrumentalist, predominantly on guitar and harmonica on these fifteen tracks, all of which are blues-based at least, with a strong influence in places from Robert Johnson.
Most of the music is acoustic, though there is some use of electric guitar.
Rather than being blues pure and simple though, many numbers are more akin to tone poems, with Paul's frequently dramatic voice used to full effect. The overall effect is very melancholy and certainly interesting!