Lessons
Practice
Homework
Keyboard
Games
TH
Reference
Enharmonic
One key with two names — C♯ and D♭ are the same key.
C
D
E
F
G
A
B
C
C# / Db
D# / Eb
F# / Gb
G# / Ab
A# / Bb
One black key has two names, depending on which direction you came from
Where it's taught
Day 5 · Semitones, whole tones, and the black keys
Related terms
Sharp
Flat
Back to the glossary