C# Minor Thirteenth Bass Arpeggio
Bass arpeggio — fretboard diagram
C# Minor Thirteenth Arpeggio — Notes and Intervals
Notes: C#, E, G#, B, D#, A#
Intervals: 1P, 3m, 5P, 7m, 9M, 13M
Formula: WH-2W-WH-2W-7
Number of notes: 6
Also known as: m13, -13
The C# Minor Thirteenth arpeggio contains 6 notes (C#, E, G#, B, D#, A#). Use the interactive fretboard above to explore this arpeggio on Bass with different tunings and fret ranges.
When to Use the C# Minor Thirteenth Arpeggio
Play the C# Minor Thirteenth arpeggio whenever a C# Minor Thirteenth 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# Minor Thirteenth arpeggio uses 6 notes (C#, E, G#, B, D#, 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 C# Minor Thirteenth Arpeggio on Bass
On bass, locate C# on the A string at fret 4. Span the 6 notes (C#, E, G#, B, D#, A#) across two to three strings using one finger per fret. Focus on even tone production between plucked strings and smooth position shifts.
The C# Minor Thirteenth arpeggio outlines a C# minor chord and fits naturally over C#m, C#m7, C#m6 voicings. Use it to bring out the darker, expressive quality of minor harmony in your solos and melodies.
Practice Routine
Play the C# Minor Thirteenth arpeggio as whole notes over a backing track or drone on C#. Focus on intonation and tone quality for each of the 6 notes (C#, E, G#, B, D#, A#). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Bass Tips
On bass, use the C# Minor Thirteenth arpeggio as the skeleton for your bass lines. Target the root on beat 1, then use the other tones (E, G#, B, D#, A#) on weaker beats to create movement while keeping the harmonic foundation solid.