Grade 3 Music Theory, Unit 5, Lesson 1 of 3
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Tonic triads in the new keys

Music theory, Tonic triads, 4 minutes

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The tonic triad of every Grade 3 key: the 1st, 3rd and 5th degrees with the tonic at the bottom, now in E, A flat and six more minor keys.

1st, 3rd and 5th

E major: E, G sharp, B
A flat major: A flat, C, E flat

A tonic triad uses the 1st, 3rd and 5th degrees of the scale, with the tonic at the bottom. On the stave it is three lines in a row, or three spaces. E major and A flat major are new at Grade 3.

Quick check

The tonic triad of E major is:

The rest of this lesson and its 5 practice questions are in Plus.

Screen 1 of 4, free to read.

  • 5 exam-style questions, marked as you go, each with a worked solution
  • Anything you get wrong is saved to your flashcards