Exter 3 december 2020 klank Gary Bartz: I Concentrate On You <a href="https://garybartz.bandcamp.com/album/coltrane-rules-tao-of-a-music-warrior">Coltrane Rules – Tao Of A Music Warrior by Gary Bartz</a> from the album “Coltrane Rules – Tao Of A Music Warrior” by Gary Bartz