화성박사

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About this app

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!
A collection of various types of harmonics past questions depending on the level of difficulty!
Updated on
Aug 4, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location and Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

- Android 16 지원 (최신 정책 대응)
- 개인정보 동의창이 반복해서 표시되던 문제 수정
- 내부 라이브러리 최신화 및 안정성 개선
Content rating
Everyone
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App support

Phone number
+821039097056
About the developer
이서화
tjghk7056@naver.com
South Korea