The 레♯ Note
레♯ is a black key, immediately next to D. It sounds at 311.13 Hz in octave 4.
레♯ on the piano
Key facts
- On the keyboard
- a black key, immediately next to D.
- Frequency (octave 4)
- 311.13 Hz
- MIDI number (octave 4)
- 63
- Also written as
- 미♭
- In key signatures
- The 4 sharp in the order of sharps.
레♯ and its enharmonic spellings
레♯ can also be written as 미♭. 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 | 27 | 38.89 Hz |
| 레♯2 | 39 | 77.78 Hz |
| 레♯3 | 51 | 155.56 Hz |
| 레♯4 | 63 | 311.13 Hz |
| 레♯5 | 75 | 622.25 Hz |
| 레♯6 | 87 | 1244.51 Hz |
| 레♯7 | 99 | 2489.02 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 311.13 Hz with A4 tuned to 440 Hz.
What is another name for 레♯?
레♯ can also be written as 미♭. They are the same pitch spelled differently.
