Livres de musical intervals and scales

Weg zur Erweiterung des Tonerlebens

Temperament

Mathematics and music

Basic Chord Progressions

The gig bag book of scales for all keyboards

Harmony & theory

Chords and Progressions for Jazz and Popular Guitar

Comprehensive chord theory for guitar

William Byrd's modal practice

Scales & Modes for Guitar (with CD)

Practical hints on playing at sight

Plato's <i>Timaeus</i>and the Missing Fourth Guest

Monster Scales And Modes