C seventh arpeggio on bass
The C seventh arpeggio (C7) has 4 notes: C, E, G, B♭ (C, E, G, and B flat), degrees 1, 3, 5, ♭7 of the chord. On bass it fits one octave with the root on the 4th string (fret 8) or on the 3rd string (fret 3).
- C 1
- E 3
- G 5
- B♭ B flat ♭7
Whole neck: every note of the arpeggio up to fret 15. The root (C) is highlighted.
Positions as text
Root on string 3 (A) (frets 2 to 5), from the lowest note to the highest:
- string 3: 3 (C)
- string 2: 2 (E), 5 (G)
- string 1: 3 (B♭), 5 (C)
Root on string 4 (E) (frets 7 to 10), from the lowest note to the highest:
- string 4: 8 (C)
- string 3: 7 (E), 10 (G)
- string 2: 8 (B♭), 10 (C)
Positions on the neck
On bass, each position fits within 4 or 5 frets, one finger per fret, with the root on the 4th string (E) or the 3rd (A), from C to the C one octave up. Two octaves do not fit under a still hand on 4 strings: you need to shift position halfway.
The faded notes around a position are chord tones too: use them to extend the arpeggio down or up.
Use Degrees to see the role of each note (1 is the root) and Listen to hear the selected position going up and down, at the tempo you want. With the whole neck, Listen plays the arpeggio from the lowest root.
Diagrams in standard tuning (E A D G).
Formula
- C
- 4
- E
- 3
- G
- 3
- B♭
- 2
- C
Degrees: 1 · 3 · 5 · ♭7 (root, major third, perfect fifth, minor seventh). Distance between the notes: 4 – 3 – 3 – 2 semitones, counting the step back to the upper root.
About the seventh chord
The dominant seventh chord carries a tension that "wants" to go somewhere: the third and the seventh form a tritone that resolves down a fifth (G7 → C). It is the V chord of any key, the sound of the blues (where every chord can take a seventh) and a staple of country and swing.
The chord and the scale
- C seventh chord (C7) The chord shapes on guitar, with sound
- C Mixolydian scale The scale to practice with it: it has every note of the arpeggio plus the ones in between.
Other C scales with every note of the arpeggio
More C arpeggios
- Major (C)
- Minor (Cm)
- Seventh (C7)
- Major seventh (C7M)
- Minor seventh (Cm7)
- Half-diminished (Cm7(♭5))
- Diminished seventh (C°7)
- Augmented (C+)
The seventh arpeggio in other keys
Frequently asked questions
What are the notes of the C seventh arpeggio?
The C seventh arpeggio (C7) has the notes C, E, G, and B flat: degrees 1, 3, 5, ♭7 of the chord.
How do you play the C seventh arpeggio on bass?
In one octave, one finger per fret: root on string 3 (A) (frets 2 to 5, 1 octave) and root on string 4 (E) (frets 7 to 10, 1 octave).
Which scale goes with the C seventh arpeggio?
The C Mixolydian scale, which has every note of the arpeggio. These also have all of them: C Nordestina (Brazilian baião) scale, C Phrygian dominant scale, and C dominant diminished (half-whole) scale.