C Diminished Bass Arpeggio
Bass arpeggio — fretboard diagram
C Diminished Arpeggio — Notes and Intervals
Notes: C, Eb, Gb
Intervals: 1P, 3m, 5d
Formula: WH-WH
Number of notes: 3
Also known as: dim, °, o
The C Diminished arpeggio contains 3 notes (C, Eb, Gb). Use the interactive fretboard above to explore this arpeggio on Bass with different tunings and fret ranges.
When to Use the C Diminished Arpeggio
Play the C Diminished arpeggio whenever a C Diminished 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 C Diminished arpeggio uses 3 notes (C, Eb, Gb) 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 C Diminished Arpeggio on Bass
On bass, locate C on the A string at fret 3. This compact 3-note arpeggio (C, Eb, Gb) can be played across two strings without shifting, making it ideal for building bass lines that clearly outline the harmony.
The C Diminished arpeggio creates a tense, unstable sound built from minor thirds. It works over Cdim, Cdim7, Cm7b5 chords and is often used as a passing device to create dramatic tension before resolving to a stable chord.
Practice Routine
Practice the C Diminished arpeggio in different octaves, starting low and working up. Then try displacing the octaves — play the root low, the Eb an octave higher, and continue leaping. This trains your ear to hear the intervals (1P, 3m, 5d) in any register.
Bass Tips
Practice the C Diminished 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.