Item S-122: How Music REALLY Works!, 2nd Edition eBook, All Formats Included (PDF, mobi/Kindle, epub/Nook). Comes with BONUS Chord Progression Chart, PDF Edition and Musical Instruments Poster, PDF Edition.

Item S-102: Digital Version of the World's ONLY Chart of Every Guitar Chord! This Is a High Resolution PDF for Smartphone or Computer.

Item S-106: Digital Version of the World's ONLY Complete Piano/Keyboard Chord Poster. This Is a High Resolution PDF for Smartphone or Computer.

Item S-121: Print PLUS Digital. How Music REALLY Works!, 2nd Edition, Print Book. Comes with E-Book Edition, All Formats Included (PDF, mobi/Kindle, and epub/Nook) and Laminated Chord Progression Chart.

Item S-101: Print PLUS Digital. World's ONLY Wall Poster of Every Guitar Chord! It's Laminated and Comes with Digital Version (PDF) and Laminated Chord Progression Chart.

$25 Gift Certificate. (Also available in values of $50 and $100.)

Item S-105: Print PLUS Digital. World's ONLY Wall Poster of Every Piano/Keyboard Chord! It's Laminated and Comes with Digital Version (PDF) and Laminated Chord Progression Chart.