Every Essential Scale & Chord You Will Ever Need (The Sliding Scale Companion Book)

For Piano, Guitar, Bass, Ukulele, Banjo & Mandolin

The ultimate reference guide for all six instruments — designed as the perfect companion to The Sliding Scale. Inside you’ll find every essential scale, chord, inversion, and mode clearly laid out in every key, with easy-to-read diagrams for strings and piano.

Whether you’re just starting out or a seasoned musician, this book will help you:

🎸 Master chords from basic triads to advanced 7ths

🎹 Understand scales, modes, and pentatonics across all keys

🎶 Transfer your knowledge between instruments with ease

📖 Use clear diagrams, charts, and note maps for quick learning

👉 Pair it with The Sliding Scale to make practicing faster, easier, and more fun.