B Minor-Major Seventh Chord

Chord Tones: B Minor-Major Seventh Chord

Symbol: mMaj7, m△7 — Formula: 1-♭3-5-7

DegreeNoteFrequency (A=440, Equal)
1 B4 493.883 Hz
♭3 D4 293.665 Hz
5 F♯4 369.994 Hz
7 A♯4 466.164 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolBmMaj7
All Common SymbolsmMaj7, m△7
Interval Formula1-♭3-5-7
Harmonic Categorytense

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position B4 D4 F♯4 A♯4 B B Minor-Major Seventh Chord
First Inversion D4 F♯4 A♯4 B4 D B Minor-Major Seventh Chord/D
Second Inversion F♯4 A♯4 B4 D4 F♯ B Minor-Major Seventh Chord/F♯
Third Inversion A♯4 B4 D4 F♯4 A♯ B Minor-Major Seventh Chord/A♯

Harmonic Function

The B minor major seventh chord commonly functions as the leading tone (vii) in C major or dominant (V) in E major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.

The minor-major seventh chord combines a minor triad with a major seventh, creating a uniquely tense sound. It appears in descending bass lines and is characteristic of film noir and jazz. The B Minor-Major Seventh Chord specifically contains 4 notes: B, D, F♯, A♯ (formula: 1-♭3-5-7). On guitar, B-rooted chords are typically played as barre chords at the second or seventh fret, and on piano they use a comfortable mix of black and white keys. K-pop, J-pop, and modern R&B productions frequently feature B-rooted chords, chosen for how the key sits within typical vocal ranges.

Common Progressions

The B Minor-Major Seventh Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Minor-Major Seventh Chord

Well-known songs where the B Minor-Major Seventh Chord — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
B4 493.883 Hz 495.000 Hz 490.548 Hz
D4 293.665 Hz 293.332 Hz 294.329 Hz
F♯4 369.994 Hz 371.251 Hz 367.911 Hz
A♯4 466.164 Hz 463.538 Hz 470.926 Hz

Scales Containing the B Minor-Major Seventh Chord

These scales include the B Minor-Major Seventh Chord as a diatonic or characteristic chord: