B (musical note)
B, Tsi, Ti or Si is a musical note and is the first note of the B major scale.
Designation by octave
| Scientific designation | Helmholtz designation | Octave name | Frequency (Hz) |
|---|---|---|---|
| B−1 | B͵͵͵ or ͵͵͵B or BBBB | Subsubcontra | 15.434 |
| B0 | B͵͵ or ͵͵B or BBB | Subcontra | 30.868 |
| B1 | B͵ or ͵B or BB | Contra | 61.735 |
| B2 | B | Great | 123.471 |
| B3 | b | Small | 246.942 |
| B4 | b′ | One-lined | 493.883 |
| B5 | b′′ | Two-lined | 987.767 |
| B6 | b′′′ | Three-lined | 1975.533 |
| B7 | b′′′′ | Four-lined | 3951.066 |
| B8 | b′′′′′ | Five-lined | 7902.133 |
| B9 | b′′′′′′ | Six-lined | 15804.266 |
| B10 | b′′′′′′′ | Seven-lined | 31608.531 |
C♭
C♭ is the same pitch as B but is not usually seen as the same. It is used in an instance where B♭ comes before a B natural and a C♭ is used in place of the B to avoid confusion.
