D Suspended Fourth Bass Arpeggio
Bass arpeggio — fretboard diagram
D Suspended Fourth Arpeggio — Notes and Intervals
Notes: D, G, A
Intervals: 1P, 4P, 5P
Formula: 5-W
Number of notes: 3
Also known as: sus4, sus
The D Suspended Fourth arpeggio contains 3 notes (D, G, A). Use the interactive fretboard diagram above to explore each arpeggio shape and pattern on Bass. Practice ascending and descending from the root note across all strings to learn the sound of this arpeggio.
When to Use the D Suspended Fourth Arpeggio
Play the D Suspended Fourth arpeggio whenever a D Suspended Fourth chord appears in a progression. Unlike scales (which include passing tones), arpeggios guarantee every note you play IS a chord tone, making your solo sound harmonically precise and intentional.
Arpeggio vs. Scale
The D Suspended Fourth arpeggio uses 3 notes (D, G, A) while the full scale uses 7. The arpeggio is a subset — think of it as the skeleton of the scale. Practice alternating between the arpeggio and the full scale to develop a melodic vocabulary that mixes chord tones with passing tones.
How to Play D Suspended Fourth Arpeggio on Bass
On bass, locate D on the A string at fret 5. This compact 3-note arpeggio (D, G, A) can be played across two strings without shifting, making it ideal for building bass lines that clearly outline the harmony.
The D Suspended Fourth arpeggio avoids the third, creating an open, unresolved sound. It works over Dsus4, Dsus2, D7sus4 voicings and is perfect for creating a modern, ambiguous harmonic feel that neither commits to major nor minor.
Practice Routine — Exercises for Playing
Play the D Suspended Fourth arpeggio as whole notes over a backing track or drone on D. Focus on intonation and tone quality for each of the 3 notes (D, G, A). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Bass Tips
Practice the D Suspended Fourth arpeggio on bass using a raking technique across adjacent strings for a smooth, flowing sound. Then try the same shape with a two-finger alternating pluck for a more defined, punchy articulation.