Question

What is the key signature for A♭ Major (Concert B or C♭)?

1) A♭
2) B
3) C♭
4) D♭

Answer 1

The key signature for A♭ Major has four flats including B♭, E♭, A♭, and D♭, so the correct answer is A♭.

Step-by-step explanation:

The key signature for A♭ Major has four flats: B♭, E♭, A♭, and D♭. Therefore, the correct answer to which key signature it is would be option 1) A♭. It's important to note that while C♭ Major is enharmonically equivalent to B Major, it is not typically used due to its complexity, and Concert B is not a key signature but a reference pitch used primarily in transposing instruments.