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What is music theory about?

Focus

Music theory, as the name suggests, is the theoretical knowledge of the subject of music. Music is a subject, such as Chinese, mathematics, and English. They all have their own theoretical knowledge. When learning music, music theory is the theoretical knowledge of music. Learning music, vocal music (singing) and instrumental music, is inseparable from the three elements of music: melody, rhythm, and harmony. These three elements can also be said to be the three outlines for learning music. All our music theory knowledge is centered around these three outlines. The first element: melody

Melody is expressed in easy-to-understand language. For example, the songs we usually listen to contain melody, but the lyrics are integrated with the melody. If you remove Lyrics, do, re, mi, fa, sol, la, si sung using simplified musical notation are the melody. The smallest unit of melody is the scale, the scale is like the Chinese characters of the language, and the sentence is the melody of the music. In addition, there are also instruments played, such as flute, erhu, violin, cucurbit flute... The music we hear is also a melody.

Pitch table

The second element: rhythm

Rhythm, expressed in easy-to-understand terms, is a rule that restricts the melody. Rhythm includes: beat, intensity, and notes. The beats of common songs, such as: four-two beats, four-three beats, four-four beats, eight-six beats, the first number indicates how many quarter notes are a beat, and the following number indicates how many beats per measure, such as four-two beats, The four in the front means one beat is a quarter note, and the two in the back means there are two beats in each measure. Strength is a kind of rhythm of music. For example, the strength pattern of beat 42 is: strong, weak; the pattern of strength of beat 44 is: strong, weak, second strong, weak; the pattern of strength of beat 43 is: strong, weak. , weak; the strength pattern of the 86 beats is: strong, weak, weak, second strong, weak, weak. We should show strength and weakness when singing and playing musical instruments. Strength and weakness can understand the breathing of adults. Notes represent the length of the sound. Common notes include whole notes, half notes, quarter notes, eighth notes, dotted notes, etc.

Note table

The third element: harmony

Harmony is what people often call chords. In fact, chords are only a part of harmony. Sound includes knowledge of chord progressions, chord connections, etc. Harmony is the most complex of the three elements of music and is usually widely used in piano and guitar. Chords represent a combination of three or more tones superimposed in a certain relationship, while chord connections are the ordering of chord progressions according to certain rules. Harmony serves the melody, it accentuates and beautifies the melody.

Chord table

The three elements of music are interrelated and restrict each other, and all three are indispensable.