Fretless bass

Kala U-Bass Fretless

Fender American Professional II Jazz Bass Fretless

Kala U-bass California Natural 5 Fretless

Fretless Bass: without frets - without limits

How To Play Fretless Bass For Beginners: Pitch Precision & Smooth Groove Mastery Through Ear Training, Expressive Runs, Improvisation, And Stage-Ready Technique

Fretless bass guitare basse +cd: A Guide to the Styles and Techniques of Fretless Bass, Including 18 Great Songs to Study and Play