JentooMusic Theory

AP® Music Theory · Unit 1 · Topic 1.1

Octave Designation and the Keyboard

Watch it drawn3 questionsPractice

Watch it explained

  1. How it worksHow does the pattern of two black keys and three black keys let you find any C on the keyboard?
  2. Worked exampleFind where C4, A4, and F5 sit on the keyboard and on the grand staff.
  3. Worked exampleFind the octave number of the B just below middle C and the C just above it.

Check yourself

Your turn1 of 2
Scientific pitch notation numbers each octave starting at C: middle C is C4, and the octave number increases by one at every following C. A note lies 3 whole octaves above middle C. What is its octave number?

End of topic.

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