Answer: cmaj

AnswerCrossword Clue
CMAJ

College oceanologist's favorite musical key?: Abbr.

CMAJ

All-natural key, for short

CMAJ

Key of Bizet's most popular sym.

CMAJ
Key of Beethoven's Piano Concerto No. 1
CMAJ
Key of Brahms's Piano Sonata No. 1
CMAJKey with no flats or sharps: Abbr.
CMAJKey of Beethoven's Symphony No. 1: Abbr.
CMAJKey of Mozart's "Jupiter" Symphony: Abbr.
CMAJKey of Schubert's Symphony No. 9: Abbr.
CMAJKey of all white keys: Abbr.