Which is true of a key signature with flats? a. the next to last flat is the same as the key signature. b. you do not refer to the flat with the key signature. c. the first flat is the key when there are more than two flats. d. the last flat is the same as the key signature.

The correct answer is letter "A": The next to last flat is the same as the key signature.

Explanation:

The key signature is the next to last flat for key signatures of flats. This is the key to E flat since E flat in the main signature is the next to last flat. This is D flat's secret since D flat in the main signature is the next to last flat. That's why it's the D flat key.

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