ISBN 9781610659123. Fretless bass is a unique instrument. The approach to playing fretless bass is much more like playing upright bass than to fretted bass. This book will cover many of the important techniques required to become a good fretless bassist. Some of these include slides, intonation development, and sustain. The 100 examples are written in bass clef and TAB (to suggest positions). All examples included on companion audio. Includes access to online audio.