B Phrygian Mode
Notes in the B Phrygian Mode
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | B | 493.883 Hz |
| ♭2 | Phrygian 2nd | C | 261.626 Hz |
| ♭3 | Minor Mediant | D | 293.665 Hz |
| 4 | Subdominant | E | 329.628 Hz |
| 5 | Dominant | F♯ | 369.994 Hz |
| ♭6 | Minor Submediant | G | 391.995 Hz |
| ♭7 | Subtonic | A | 440.000 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Half Step (H) | 1 | B | C |
| 2 | Whole Step (W) | 2 | C | D |
| 3 | Whole Step (W) | 2 | D | E |
| 4 | Whole Step (W) | 2 | E | F♯ |
| 5 | Half Step (H) | 1 | F♯ | G |
| 6 | Whole Step (W) | 2 | G | A |
| 7 | Whole Step (W) | 2 | A | B |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | B | B minor | minor |
| ♭2 | C | C | major |
| ♭3 | D | D | major |
| 4 | E | E minor | minor |
| 5 | F♯ | F♯ diminished | diminished |
| ♭6 | G | G | major |
| ♭7 | A | A minor | minor |
Key Signature
5 ♯ — The B key signature uses F♯, C♯, G♯, D♯, A♯.
B Phrygian Mode in Practice
The B Phrygian Mode uses the key signature of 5 sharps (F♯, C♯, G♯, D♯, A♯). B major has five sharps and a bright, somewhat tense quality. Enharmonically equivalent to Cb major, it is used in orchestral writing and some jazz compositions. On guitar, B positions offer open-string resonance for fingering positions for this scale.
The Phrygian mode has a dark, exotic quality due to its flat 2nd degree. It is characteristic of Spanish flamenco music and heavy metal, creating an intense, mysterious atmosphere. When played starting on B, the 7 notes are B, C, D, E, F♯, G, A. In this key the signature has 5 sharps (F♯, C♯, G♯, D♯, A♯). B sits at the boundary of comfortable sharp keys with 5 sharps, often used in orchestral writing for brilliance and in jazz for challenging ii-V-I exercises. Guitarists can play in B using barre chords at the second and seventh frets, and the key is common in pop and R&B music when vocalists prefer its tessitura.
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| B | 493.883 Hz | 495.000 Hz | 490.548 Hz |
| C | 261.626 Hz | 260.740 Hz | 261.626 Hz |
| D | 293.665 Hz | 293.332 Hz | 294.329 Hz |
| E | 329.628 Hz | 330.001 Hz | 327.032 Hz |
| F♯ | 369.994 Hz | 371.251 Hz | 367.911 Hz |
| G | 391.995 Hz | 391.111 Hz | 392.438 Hz |
| A | 440.000 Hz | 440.000 Hz | 436.043 Hz |
Related Scales
Guitar: B Phrygian Mode Positions
The B key offers 5 sharps (F♯, C♯, G♯, D♯, A♯) on guitar. Sharp-side keys like B are idiomatic guitar keys because open strings (E, A, D, G, B, E) align with the scale's natural resonance points.