Hooktheory II builds on the foundation of Roman numeral analysis, chord function, and melodic construction taught in Hooktheory I, giving you deeper insight into composing richer, more sophisticated music.

Hooktheory II is an intuitive, interactive journey that teaches you how to use seventh chords, embellishments, secondary chords, minor harmony, modes, and modal mixture to expand and enrich your songwriting. With 83 interactive exercises and 228 audiovisual examples, Hooktheory II is exactly what you need to take your chords and melodies to the next level.


Hooktheory I and Hooktheory II were created to teach you how to craft melodies and chord progressions like professional musicians, and gain a deeper understanding and intuition for how music works.

Hooktheory I introduced you to Roman numerals and scale degrees, and laid the groundwork for arranging chords and melody into something that sounds great. But Hooktheory I really only scratched the surface of what is musically possible.

Hooktheory II begins right where Hooktheory I left off. You'll learn about seventh chords, embellishments, secondary chords, minor harmony, modes, modal mixture, and more; and you'll do so with the same fun, easy to understand approach we used in Hooktheory I, with its emphasis on practical usage demonstrated with rich examples from real songs.

Reading Hooktheory II doesn’t require the ability to read music or any music knowledge outside what was covered in Hooktheory I. On average, it takes about twelve hours to read (but more to fully absorb) so it isn't a huge time commitment.

We wrote Hooktheory I and II because we were tired of all of the “songwriting” websites and books that talk vaguely of “finding your inspiration” rather than providing concrete tools to improve your music.

With Hooktheory I and II, we have created an approachable, intuitive resource that directly answers the hard questions: Why do certain chords fit together easily, and others not so easily? How can I get from this chord to that chord? How can I create a great melody? Hooktheory II is a book that will make you say “ah ha!” many times over.

What’s New

Version 1.0.4

This app has been updated by Apple to use the latest Apple signing certificate.

Improved behavior for footnotes. Added a “ask a question” link to the side menu.

Ratings and Reviews

4.9 out of 5
23 Ratings

23 Ratings

Talzalo ,

Amazing music theory teacher!

While not formally trained in music theory, I’ve been a self-taught student for much of my adult life. Many of the more advanced and abstract concepts have always escaped practicality - until now. Advanced ideas are spelled out in easy to understand ways, but most importantly, the many examples throughout the book demonstrate how to use these tools in a way that makes sense. Bravo! Along with a fantastic writing tool (HookPad) you have made what once seemed complex and out of reach accessible and usable. Thank you, thank you, thank you! Hope you continue to put out more products and fine tune your HookPad. Nicely done! 😎👍

Mkeymont ,

Wait a minute...

I was happy to see that this finally came out. Then I started reading and came across the first example song. Robin Thicke. Are you kidding me? A music theory book that opens with an example by Robin f'ing Thicke???

The rest of the book might be awesome, I don't know, but my review is going to be based on the fact that the authors somehow feel that the songwriting of Robin Thicke is the best way to open the book.

(I'm not a fan of Robin Thicke...)

...however, this IS one of the better functional explanations of some of the more common harmonic mechanisms and how they work. They have developed a nice system for sort of diagramming harmonies and melodies that is backed up with a website with tons of songs broken down for further analysis. It's very well done and I think the app of worth the price.

The musical examples are all very basic, piano only. This is a good thing because it forces you to listen to the harmony, not the song or the tone.

I wish that they used more classic songs and less current music for the examples. Aside from Robin Thicke, there were a bunch of other more games used that I'm not familiar with. It doesn't really matter though, because nearly all of the examples have lessons to be learned whether you know the song or not. Good stuff!

tiktokah10 ,

Music producer essentials

Hooktheory 2 is a must read for aspiring music producers and composers. It teachers the fundamentals of 7th chords and secondary chords and how to use them in progressions to create more compelling sounds. Also I was fascinated with learning that you can use chords outside of the scale to truly improve basic chord progressions. I was blow away when I read how to connect baselines with inversions of basic and secondary chords. This app along with Hooktheory 1 has changed the game for aspiring music producers! I recommend it to anyone who wants to learn how to make music

App Privacy

The developer, Hooktheory, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You May Also Like