Test # 75
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1500 questions in 150 tests. Each test contains 10 questions.
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The piano is played by pressing the keys with the fingers of both hands. The standard piano of today has 88 keys, the three foot pedals also have specific functions. The pedal on the right is called a damper, stepping on this causes all the keys to vibrate or sustain. Stepping on the pedal in the middle causes only the keys currently pressed to vibrate. Stepping on the pedal on the left creates a muted sound; a single note is produced from 2 or three piano strings that are tuned in unison.