Arpeggio · A△7 · Guitar
The A△7 arpeggio is A – C♯ – E – G♯ — chord tones 1 3 5 7. A△7 is the tonic Imaj7 of a major key, and any maj7 chord; its sound is bright, settled, at rest. Below, every A, C♯, E, G♯ on the fretboard is marked, with the root in gold. Press play to hear a one-octave arpeggio, or tap any note.
Visualizer
Guitar · standard tuning
Piano
Play loops the arpeggio up and down one octave (switch Loop off for a single pass) in the position starting at fret 5. Tap any marked note to hear it. “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Chord tone | Note | Interval from A |
|---|---|---|
| 1 | A | unison (0 semitones) |
| 3 | C♯ | major 3rd (4 semitones) |
| 5 | E | perfect 5th (7 semitones) |
| 7 | G♯ | major 7th (11 semitones) |
Goes with: A Major (Ionian) (A B C♯ D E F♯ G♯). Voicings: A△7 voicings on guitar.
Common questions
A – C♯ – E – G♯. As chord tones: 1 3 5 7. Played one after another instead of together, that is the arpeggio.
A△7 is the tonic Imaj7 of a major key, and any maj7 chord. Its character is bright, settled, at rest.
A Major (A B C♯ D E F♯ G♯) — the arpeggio is the skeleton of that scale, so practise them together.
Start on the root A on the low E string at fret 5 and play E-string fret 5, E-string fret 9, A-string fret 7, D-string fret 6, D-string fret 7. Then play it descending, then in eighth notes with a metronome, then over the the tonic Imaj7 of a major key.
Keep going
Same arpeggio on piano · Major 7th hub · chord-scale theory.
Other arpeggios from A