Grade 2 Music Theory, Unit 5, Lesson 1 of 3

Tonic triads in the new major keys

About 2 min to read, then 5 practice questions

Recap: the tonic triad

The tonic triad of B flat major: B flat, D and F

A triad is three notes stacked in 3rds. The tonic triad uses the 1st, 3rd and 5th degrees of the scale, with the tonic at the bottom. It sits on three lines in a row, or three spaces in a row.

Quick check

Which degrees of the scale make the tonic triad?

The three new major keys

The tonic triads of A, B flat and E flat major
  • A major: A C sharp E
  • B flat major: B flat D F
  • E flat major: E flat G B flat

Quick check

In the tonic triad of A major, which note is the 3rd?

Remember

  • Tonic triad: degrees 1, 3 and 5, tonic at the bottom.
  • A C sharp E, B flat D F, E flat G B flat.

Practise this: 5 questions, about 4 min

Answering from memory soon after reading is what makes it stick, so now is a good time.

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