Answer:

1. Rhythm

Rhythm is the length of time between each major 'beat'. Rhythm is the one indispensable element of all music.

2. Melody

Melody is the aesthetic product of a given succession of pitches in musical time. Melody is used by every musical instruments.

3. Harmony

Harmony is a pleasing combination and progression of chords. Harmony is the sound of things that go together well.

4. Timbre

Timbre in music is also identifined as 'color'. It is the perceived sound quality of a musical note, sound or tone.

Explanation:

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