Do you notice the changes in dynamics? And between high and low sounds? What sensations do you notice? Can you tell the difference between timbers? Can you follow the beat of the music? Chirp, chirp, chirp, chirp, chirp, chirp, chirp, chirp. Tzzzzz, tzzzzz. Ssssss, ssssss. 42 42 42 42 / / / / Œ œ Œ œ œ œ Ó ‰ œ j œ j ‰ ‰ œ j œ j ‰ ‰ œ j œ j Croak, croak, croak, croak. ‰ ‰ œ j œ j ‰ Ó ˙ Ó ˙ ˙ Ó ˙ Ó (4 times) Timbre allows us to identif y different people's voices, to guess their age or sex, to get an idea of where they come f rom and even to tell how a person is feeling. Timbre 17. PERFORM with these sounds vocally. Timbre is the unique sound of each voice, instr ument , animal or object , and it helps us to distinguish what we are hear ing. The instr ument or voice that per forms each par t in a piece of music is shown at the star t of the score. 18. TRY OUT any computer program that allows you to modif y the voice. ➔ Record your voice and explore the dif ferent settings the software has . Find out how the properties of sound change. 5. Sound and hearing 19. CONDUCT this experiment . Then answer. ➔ Stand next to a powerf ul speaker, protect your ears with ear plugs, and put your hands on the speaker. ➔ Take notice of your body sensations while someone pl ays music with dif ferent dynamics, pitches and timbres . 15
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