Here are some specific reasons why music includes percussion:
1. Rhythm and Timing: Percussion instruments provide a steady beat or pulse that helps maintain tempo, rhythm, and timing. They serve as a backbone for the entire musical piece, keeping it cohesive and ensuring a sense of order.
2. Accents and Emphasis: Percussion instruments can accentuate specific notes, phrases, or sections of music, adding emphasis and dynamics to the composition.
3. Textural Variation: The inclusion of percussion can add layers and texture to a musical piece. Different percussion instruments create unique sounds and timbres, enhancing the overall musical experience.
4. Creating Atmosphere: Percussion can be used to create a specific atmosphere or mood in a musical composition. For example, certain rhythmic patterns or sounds may evoke feelings of excitement, relaxation, or tension.
5. Call-and-Response: In some musical traditions, percussion instruments are used for call-and-response patterns. This interaction between the lead melody and the percussion instruments adds energy and builds anticipation.
6. Improvisation: Percussion instruments often allow for improvisation and spontaneous expression. Musicians can create unique rhythmic patterns and sounds on the fly, adding an element of freshness and creativity to the music.
7. Cultural Expression: Percussion instruments play a vital role in many cultural traditions and musical forms around the world. Different cultures have distinct percussion instruments that reflect their musical heritage and identities.
8. Variety of Sounds: Percussion offers a wide range of sounds, from crisp and high-pitched to deep and resonant. This sonic diversity enhances the musical palette and adds interest to a composition.
In summary, music includes percussion to contribute to its rhythmic structure, accentuation, textural layers, atmosphere creation, cultural expression, and improvisational possibilities. It enriches the overall musical experience by adding depth and variety to the sound.