How to play C#m7: a minor 7th built on C#, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the 4th fret. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 4 6 4 5 4 (x = not played).
| Note | C# | E | G# | B |
|---|---|---|---|---|
| Interval | R | b3 | 5 | b7 |
C#m7 is a minor 7th with C# as its root. The full theoretical spelling is C#, E, G#, B. This voicing sounds every chord tone.
C#m7 is a diatonic chord (built from the key's own notes) in 3 major keys and 3 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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C#m7 is spelled C#, E, G#, B: the root, minor 3rd, 5th, flat 7th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x 4 6 4 5 4 (x means the string is not played). Lay your index finger across the 4th fret from the A string to the high E string (a barre). Add the B string at the 5th fret. Add the D string at the 6th fret. Strum from the A string down; the low E string stays silent.
C#m7 belongs to 6 keys: B major (the ii chord), E major (the vi chord), A major (the iii chord), C# minor (the i), G# minor (the iv) and F# minor (the v).
