semicord

Em7 E minor seventh chord

Notes
E G B D
Formula
1 b3 5 b7
Semitones
0 3 7 10 above the root
Other symbols
Emin7, E−7

E to G is a minor third (3 semitones), G to B is a major third (4 semitones), B to D is a minor third (3 semitones). A minor triad plus a minor seventh (D). With G in the bass the same four notes are read as G6.

Em7 on the piano

C4D4E4F4G4A4B4C5D5E5F5G5A5B5C#4Eb4F#4Ab4Bb4C#5Eb5F#5Ab5Bb5C4EGBC5D

Root position from E4: E4, G4, B4, D5. Middle C is C4.

Em7 on the guitar

Standard tuning (E A D G B E). Strings run low E on the left to high e on the right, frets downwards; × is a muted string, ○ an open string, and each dot shows the note it sounds, with the root in blue-green. Every shape below has E as its lowest note.

EBBDGBE
Open position (E-shape)
0 2 0 0 0 0 (low E to high e)
Sounds E2 B2 D3 G3 B3 E4
7fr×EEBBDDGGBB
A-shape barre, root on the A string at fret 7
x 7 9 7 8 7 (low E to high e)
Sounds E3 B3 D4 G4 B4

The barre shapes are movable: an E-shape chord's root is the note under your first finger on the low E string, an A-shape chord's root is the note on the A string. Slide the same grip up or down to play minor seventh chords on other roots.

Inversions of Em7

An inversion puts a note other than the root in the bass. The name is what semicord's chord finder calls those notes played bottom to top; a slash name like C/E means a C chord with E in the bass.

PositionNotes, bass firstNamedListen
Root positionE G B DEm7
1st inversionG B D EG6 (also read as Em7/G)
2nd inversionB D E GEm7/B
3rd inversionD E G BEm7/D

Where Em7 fits

Em7 is ii7 in D major, iii7 in C major, vi7 in G major. As ii7 it is the first chord of the ii–V–I that ends countless jazz and pop phrases: Em7 → A7 → Dmaj7.