The 레♭ Note
레♭ is a black key, immediately next to D. It sounds at 277.18 Hz in octave 4.
레♭ on the piano
Key facts
- On the keyboard
- a black key, immediately next to D.
- Frequency (octave 4)
- 277.18 Hz
- MIDI number (octave 4)
- 61
- Also written as
- 도♯
- In key signatures
- The 4 flat in the order of flats.
레♭ and its enharmonic spellings
레♭ can also be written as 도♯. These are enharmonic equivalents: the same pitch, the same key on the piano, a different name on the page. Which spelling is correct depends on the key and on how the note functions, not on the sound.
레♭ frequency in every octave
Frequencies for 레♭ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| 레♭1 | 25 | 34.65 Hz |
| 레♭2 | 37 | 69.3 Hz |
| 레♭3 | 49 | 138.59 Hz |
| 레♭4 | 61 | 277.18 Hz |
| 레♭5 | 73 | 554.37 Hz |
| 레♭6 | 85 | 1108.73 Hz |
| 레♭7 | 97 | 2217.46 Hz |
Chords on 레♭
The most common chords built with 레♭ as the root.
Scales starting on 레♭
Keys and scales that use 레♭ as their tonic.
All notes
자주 묻는 질문
Where is 레♭ on the piano?
레♭ is a black key, immediately next to D.
What frequency is 레♭4?
레♭4 sounds at 277.18 Hz with A4 tuned to 440 Hz.
What is another name for 레♭?
레♭ can also be written as 도♯. They are the same pitch spelled differently.
