mdecks logo

Subscribe to mDecks

Receive News on special offers new products, books and methods. Subscribers automatically enter our giveaways!

Tessitura Pro

Study, practice and learn scales and modes like never before.
An extensive app to study structures over the circle of fifths.
Music Theory done seriously!


Tessitura Pro icon

Mapping Tonal Harmony Pro

"...This app wins our strongest recommendation for an app so far." - The Berklee Groove

Mapping Tonal Harmony icon

Mapping Tonal Harmony Pro is the most INNOVATIVE and EXTENSIVE music tool for musicians out there.
Study Tonal Harmony like never before!
Write your own music using a map that reveals the secrets of tonality.

Read More... Music Apps, Music Books, Music Video Tutorials and, other music rersources for teachers and students.

"Without Music, Life would be a mistake."

mDecks Music is committed to the development of sophisticated resources for music education. Our products offer a wide range of services from instrumental instruction to harmonic analysis, music theory, rhythmic training, music puzzles, ear training for kids and much more. Beginner and college students, professors and professional musicians will find a wealth of resources in our music catalog.
We use the latest technologies to design innovative tools and improve traditional training methods in order to make music learning more efficient and exiting.

Best Seller Apps

Best Seller Books

Mapping Tonal Harmony

Workbooks 1-7

Upper Structure Triads

Jazz Piano Voicings

Doubling on Woodwinds

by Mario Cerra

Our Latest Video

Learn Music, Challenge your mind
Demos and Tutorials available on our YouTube Channel.

more mDecks on YouTube

Blue in Green Reharmonization

Re-harmonization and piano arrangement of Blue In Green (Composed by Miles Davis) by Ariel J Ramos, composer, pianist using upper structure triads.
Download Blue in Green Reharmonization sheet music as a free PDF

Download PDF

more mDecks on YouTube

Understanding the Map

Mapping Tonal Harmony Pro 6 is an interactive music theory app accompanied by 7 workbooks to teach and study tonal harmony.

more mDecks on YouTube


Do you want to practice “{{}}” in all keys at any tempo?
Study tonal harmony with a map that reveals the secret of tonality.

Mapping Tonal Harmony Pro Free PDF Free Audio