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D and A major
One more look at what you missed.
Start the pattern on D.
D to E is a whole step. The next step must be whole too, and E to F is only a half.
D major: D, E, F sharp, G, A, B, C sharp, D.
Two sharps. F sharp makes the second whole step, and C sharp makes the last half step up to D.
Hear D major.
Two black keys this time, and the same major sound.
No sound? Check your volume, and that your phone is not on silent.
In D major, why is the third note F sharp?
Play D major, with its two black keys.
D, E, F sharp, G, A, B, C sharp, D.
Start on A, and a third sharp joins them: G sharp.
A major: A, B, C sharp, D, E, F sharp, G sharp, A.
Hear A major with G sharp, then with plain G.
With plain G, the last step up to A is too wide.
How many sharps does A major have?
G major has one sharp, D major two, A major three.
Each new sharp is the seventh note of its scale: F sharp, then C sharp, then G sharp.
D major keeps G major's F sharp and adds one. Which?
You can build D and A major.
What you learned
- D major has two sharps: F sharp and C sharp.
- A major has three: F sharp, C sharp and G sharp.
- Each new sharp is the seventh note of the new scale.
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