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"It was my idea to make my voice work in the same way as a trombone or violin—not sounding like them but ‘playing' the voice like those instruments." —FRANK SINATRA

Key Points

  • Properties of sound include pitch, duration, volume, and timbre, or tone color.
  • An instrument generates vibrations and transmits them into the air.
  • The human voice can be categorized into various ranges, including soprano and alto for female voices, and tenor and bass for male voices.
  • The world instrument classification system divides into aerophones (such as flutes or horns), chordophones (such as violins or guitars), idiophones (such as bells or cymbals) and membranophones (drums).

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Norton Gradebook

Instructors now have an easy way to collect students’ online quizzes with the Norton Gradebook without flooding their inboxes with e-mails.

Students can track their online quiz scores by setting up their own Student Gradebook.