A collection of harmony past questions created by a composition expert!
An encyclopedia of harmonic problems helpful to everyone from non-majors to majors!
Part 2 of the Doctor of Music series, following Doctor of Pitch!!

The fact that the only way to survive in the mysterious world of Mars is through constant practice and solutions!?
Let's solve the infinite harmonic problem with a custom automatically generated problem :)

We help you on your journey to becoming a Mars doctor by providing a variety of problem types and customized difficulty levels so that anyone can become a Mars problem master!
We will help you collect and solve the wrong questions again without missing any questions!
Even my own custom problem that I can solve by collecting only the Mars I want?!

Mars problems are prepared in 4 levels of difficulty, from super easy to easy, hard, and custom, and 4 different types of problems are prepared for each difficulty level!
We will explain each type of problem!

Mars Problem 1
The most basic type is the problem of finding the name of Mars. The tonality and notes of the four parts are given. The scope of questions varies depending on the level of difficulty.
A variety of non-overlapping harmony problems are presented.

Mars Problem 2
Three out of four voices are given. Just look at the name of the key and harmony and guess the sound of the remaining voice to get the correct answer. The scope of questions varies depending on the level of difficulty.
A variety of non-overlapping harmony problems are presented.

Mars Problem 3
The name of the harmony and the notes of the four parts are given. Just look at the given conditions, infer the composition of the problem, and get the correct answer.
Unlike the previous Mars problems, this is a problem approached in reverse. This is a good problem to solve in order to level up more thoroughly.

Mars Problem 4
This is a code problem for those preparing for teaching positions or those engaged in practical music.
It's a matter of matching the chords by looking at the notes of the four parts.

I hope this will be of some help in your study of harmony, and if you have any inconveniences or additional requests,
If you write a review or email to the developer, we will actively reflect your feedback. thank you!