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 above to explore this arpeggio on Bass with different tunings and fret ranges.
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
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.