Map it slowly
Find D♯ on string 5 at fret 6. Play string 5, fret 6; string 5, fret 9; string 4, fret 7; string 4, fret 10; string 3, fret 8. Use a relaxed position and release pressure between repetitions. String 1 is high E.
Arpeggio · D♯°7 · Guitar
D♯°7 arpeggio on guitar
The D♯°7 arpeggio is D♯ – F♯ – A – C — chord tones 1 ♭3 ♭5 𝄫7. D♯°7 is passing chords between diatonic chords, and as a 7♭9 without its root; its sound is symmetrical, restless. Below, every D♯, F♯, A, C on the fretboard is marked, with the root in gold. Press play to hear a one-octave arpeggio, or tap any note.
Visualizer
D♯°7 on the fretboard.
Guitar · standard tuning
Piano
RootChord toneBeing played
Tempo100 bpm
Show
Sound
Play loops the arpeggio up and down one octave (switch Loop off for a single pass) in the position starting at fret 6. 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.
Your next 10 minutes
Make D♯ Diminished 7th part of your playing
Make a short phrase
Play D♯ – F♯ – A – C in quarter notes at 60 bpm. Repeat starting from F♯, wrapping back to D♯. Do not speed up until every attack is even.
Hear it in context
Alternate F♯ and C above a sustained D♯. These are degree ♭3 and 𝄫7. End a four-bar phrase on either one instead of always returning to the root.
Listen for this: D♯°7 has the colour “symmetrical, restless”. Name the degrees as you play, so you can recognize the sound in another key rather than remembering only a shape.
Understand the sound
D♯°7: from a pattern to a musical choice
What gives D♯°7 its identity?
Successive chord tones are separated by minor thirds. The seventh is a diminished seventh, not a major sixth in the chord’s theoretical spelling, even when they share a piano key.
Here the third is F♯, and degree 𝄫7 is C. Play D♯ in the bass and compare these voices individually before combining them.
Turn the arpeggio into a melody
Try F♯ – A – C – D♯ as quarter notes, then repeat the first note and omit the last. The second phrase uses the same harmony with a different shape.
Sound the strings separately before playing them together. If a note is muted, adjust the finger angle instead of squeezing harder.
Your guitar checkpoint
Start with D♯ on string 5, fret 6. The next note F♯ is on string 5, fret 9. Name both notes aloud before playing, then find the same two pitches in another octave.
Before moving on, close the diagram and name the notes: D♯ · F♯ · A · C. Then play a two-bar phrase from memory and leave two bars of silence.
On piano
D♯°7 on the keyboard.
Reference
D♯°7 — chord tones & intervals.
| Chord tone | Note | Interval from D♯ |
|---|---|---|
| 1 | D♯ | unison (0 semitones) |
| ♭3 | F♯ | minor 3rd (3 semitones) |
| ♭5 | A | diminished 5th (6 semitones) |
| 𝄫7 | C | diminished 7th (9 semitones) |
Goes with: E♭ Diminished (whole–half) (E♭ F G♭ A♭ A B C D). Voicings: D♯°7 voicings on guitar.
Take it to the bandstand.Practice Radio streams endless changes to play the D♯°7 arpeggio over through all twelve keys, with the chord and scale shown live — plus ear-training and call & response modes.
▶ Open Practice RadioCommon questions
D♯°7 arpeggio FAQ.
What notes are in a D♯°7 arpeggio?
D♯ – F♯ – A – C. As chord tones: 1 ♭3 ♭5 𝄫7. Played one after another instead of together, that is the arpeggio.
What is a D♯°7 chord used for?
D♯°7 is passing chords between diatonic chords, and as a 7♭9 without its root. Its character is symmetrical, restless.
Which scale goes with D♯°7?
E♭ Dim. W–H (E♭ F G♭ A♭ A B C D) — the arpeggio is the skeleton of that scale, so practise them together.
How do I practise the D♯°7 arpeggio on guitar?
Start on the root D♯ on the A string at fret 6 and play A-string fret 6, A-string fret 9, D-string fret 7, D-string fret 10, G-string fret 8. Then play it descending, then in eighth notes with a metronome, then use it in a short phrase over a suitable chord.
Keep going
Diminished 7th arpeggio in every other key.
Same arpeggio on piano · Diminished 7th hub · chord-scale theory.
Other arpeggios from D♯