Do I need prior music theory experience or classical training?

Not at all. This guide is designed for all musicians to understand the cycle as a straight digital clock line that builds sharp keys one fifth at a time and flat keys one fourth at a time without complex theory prerequisites.

Is this system applicable across different instruments?

Absolutely. The cycle’s predictable key signature patterns and chord qualities apply universally, whether you play piano, guitar, or work with MIDI in any digital audio workstation.

What digital material do I receive upon purchase?

Instant access to an interactive high-resolution PDF guide featuring quick-reference tables, clear visualizations of sharp and flat key building, enharmonic tips like BEAD and ‘For Common Good’, plus chord quality charts.

Will I receive future updates or additional materials?

This one-time purchase includes the complete guide as described; no future updates, add-ons, or bonus materials are included.

Privacy Policy

Last updated: 11/05/2026

This Privacy Policy describes how Cycle of Fifths (operated by Andrew LeGrand, "we," "us," or "our") collects, uses, and protects personal information when you visit cycleoffifths.com (the "Site") or purchase the Cycle of Fifths eBook (the "Product").

Information We Collect

We collect information in two ways:

Information you provide directly. When you purchase the Product, we (through our checkout provider) collect your name, email address, and payment information.
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We do not knowingly collect sensitive personal information (such as government ID numbers or financial account details beyond what's needed to process payment) through this Site.

How We Use Your Information

We use the information we collect to:

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We retain personal information for as long as needed to fulfill the purposes described in this Policy — including order records for accounting and legal purposes — and then delete or anonymize it. We use reasonable administrative and technical safeguards to protect your information, but no method of transmission or storage is completely secure, and we cannot guarantee absolute security.

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Depending on where you live, you may have the right to request access to, correction of, or deletion of your personal information, or to opt out of marketing communications. To exercise any of these rights, contact us at [email protected]. We will respond within a reasonable time.

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The Site and Product are not directed to children under 13 (or the applicable age of digital consent in your region), and we do not knowingly collect personal information from children. If you believe a child has provided us with personal information, contact us and we will delete it.

Changes to This Policy & Contact Us

We may update this Privacy Policy from time to time; the date above reflects the most recent revision. Continued use of the Site after changes take effect constitutes acceptance of the updated Policy. If you have questions about this Policy or how your information is handled, contact us at [email protected].

Seller: Andrew LeGrand | Cycle of Fifths

Foundational insights into the Cycle of Fifths as a linear, left-to-right ‘digital clock’ model—building sharp keys one fifth at a time, flat keys one fourth at a time, and mastering key signatures, chord qualities, enharmonic keys, and memory aids like BEAD and ‘For Common Good’.