Answer: dminor

AnswerCrossword Clue
DMINOR

Beethoven's Ninth key

DMINOR

Key of Beethoven's Ninth

DMINOR

Key of Mozart's Requiem Mass

DMINOR
Bach's "Toccata and Fugue in ..."
DMINOR
Key of Mozart's "Requiem"
DMINORF's analogue
DMINOR"The Art of Fugue "key
DMINORKey of Beethoven's Ninth.
DMINORKey of Bach's "The Art of Fugue"
DMINORThe saddest key, supposedly
DMINORKey that's an anagram of a neighboring answer
DMINORKey with one flat
DMINORKey of Dvorak's Symphony No. 7