Allan Holdsworth's 10 Most Usable Scales for 4-String Bass - Bass

Kiesel Allan Holdsworth Signature Series Guitar Racing Green Used

Allan Holdsworth's 10 Most Usable Scales - Fretboard Knowledge

5-string bass Archives - Johnny Cox Music

Allan Holdsworth's 10 Most Usable Scales - Fretboard Knowledge

Did Allan Holdsworth Learn Scales Like This? - Unlock the Guitar

Knowledge Base Archive - Bass Guitar Fretboard Knowledge

Bass of the Week] Studio 63 Headless 36 fret

Music theory: what if it were easy?

Allan Holdsworth said if he were to start guitar over, he would tune in straight fourths, can someone explain deeper? : r/musictheory

Guitar Scales With 4 Notes Per String: Inspired by Alan Holdsworth - Uberchord App

Is the electric bass a guitar? Is it part of the guitar family? - Quora