Page 129 - Primary Six Notes
P. 129
1. Percussion musical instruments
These are musical instruments which produce sound by vibra-
tion of their skins or the wood by beating or hitting them.
Examples of percussion musical instruments.
Xylophones, drums, long drum, bells, thumb pianos, brass
band, drums, rattles, clappers or shakers.
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The pitch of percussion musical instruments can be deter-
mined by heating their skin to expand or by tightening the
skin.
2. Wind musical instruments (AEROPHONES)
These are musical instruments which produce sound by the vi-
bration of air blown inside them
Some have holes numbered to produce different pitch of
sound. Each hole produces a different pitch of sound.

