1.2 · Chromatic Notes
Sharps & flats
Each black key sits between two letters, so it has two names: a sharp (♯) of the letter below, and a flat (♭) of the letter above.
Tap a black key
Black keys show both of their names. Try C♯. It's also D♭.
Big Cats Eat Fish
There's no black key between B and C, and none between E and F. Remember it as Big Cats Eat Fish.
B C E F
Semitones are the smallest step
The step from any key to its nearest neighbor, black or white, is a semitone. B to C is a semitone; so is C to C♯.
Quiz
1 / 4C♯ is the same note as…