# What is the connection between mathematics and music?

**Sommaire de notre article**

- What is the connection between mathematics and music?
- Why is math important?
- Why are there only 12 musical notes?
- Why is music the art of making numbers heard?
- Why is everything mathematical?
- Why are there only 7 musical notes?
- How do you know if a sound is consonant?
- How many octaves can the human ear hear?
- What is the relationship between music and mathematics?
- How to compose music?
- What are the key elements of music?
- How can musical writing be explained by mathematics?

### What is the connection between mathematics and music?

The musicality and the **math** The **music** not’**is** that **mathematical** eventually ! Moreover, Leibniz said, in 1712, that: **music is** a hidden exercise in arithmetic, the mind not being aware that it **is** counting! Most of them **of the** composers **are** also good mathematicians.

### Why is math important?

Mathematics **are** really useful and meaningful in our daily lives: **they are** essential for the intellectual development of children. In effect, **they** help them to be logical, to reason carefully and to prepare for thinking, criticism and abstraction.

### Why are there only 12 musical notes?

The division of the octave into **12** intervals is mathematically optimal: **he** allows for the most exact fifth possible, in a compact format, and in equal temperament (with equal intervals).

### Why is music the art of making numbers heard?

The fact that two sounds whose fundamental frequencies are in the ratio 2 have the same consonance was for them a proof that the harmony of the universe **is** governed by **numbers**. According to the Pythagorean theory, the most harmonious musical chords are expressed by the simplest arithmetic ratios.

### Why is everything mathematical?

Pythagoras and his disciples believed that the secret of the world was in a few words: **All** thing **is** number. » Today, science **is** sometimes tempted to take up the Pythagorean idea by extending it in the form ” **It’s all math** “, what Galileo already said: “The book of nature **is** written in …

### Why are there only 7 musical notes?

Because the interval of a fourth is equivalent to the difference between four **grades** (do, re, mi, fa), the fifth is equivalent to five **grades** (do ~ sol), octave eight **grades**etc.

### How do you know if a sound is consonant?

When two notes are in a fourth, the ratio of their fundamental frequency **is** equal to 4/3, it is a simple arithmetic ratio: the interval to the fourth **is consonant**.

### How many octaves can the human ear hear?

8 octaves But the**human ear** has its limits and **can** hardly **To hear** more than 7 or 8 **octaves**. Above or below, the sounds **are** inaudible (infrasound and ultrasound).

### What is the relationship between music and mathematics?

It seems that the ancient Egyptians studied the relationship between music and mathematics, but it was the ancient Greeks who discovered that music is very mathematical Andrew Griffiths 2 and who researched the idea of musical scales represented by mathematical ratios .

### How to compose music?

It is possible to compose music using only mathematical rules, formulas and ideas. Although in fact composers usually don’t think mathematically, they use mathematical ideas without thinking.

### What are the key elements of music?

The key elements of music that have a strong relationship with mathematics are the sense of rhythm, intervals, scales, time, the shape of a piece of music, frequency, harmony, timbre, pitch and tone. There are also more abstract ratios like the golden ratio and the Fibonacci sequence.

### How can musical writing be explained by mathematics?

It was composed between 17 and illustrates in a remarkable way how the art of musical writing can be explained by mathematics. The fugue is a musical form where different parts take up the same motif.