C# Sixth Added Ninth Cavaquinho Arpeggio
Cavaquinho arpeggio — fretboard diagram
C# Sixth Added Ninth Arpeggio — Notes and Intervals
Notes: C#, F, G#, A#, D#
Intervals: 1P, 3M, 5P, 6M, 9M
Formula: 2W-WH-W-5
Number of notes: 5
Also known as: 6add9, 6/9, 69, M69
The C# Sixth Added Ninth arpeggio contains 5 notes (C#, F, G#, A#, D#). Use the interactive fretboard above to explore this arpeggio on Cavaquinho with different tunings and fret ranges.
When to Use the C# Sixth Added Ninth Arpeggio
Play the C# Sixth Added Ninth arpeggio whenever a C# Sixth Added Ninth 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# Sixth Added Ninth arpeggio uses 5 notes (C#, F, G#, A#, D#) 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# Sixth Added Ninth Arpeggio on Cavaquinho
Locate C# on your instrument and play through the 5 notes of the Sixth Added Ninth arpeggio (C#, F, G#, A#, D#) slowly, ensuring each tone rings clearly before connecting them at speed.
The C# Sixth Added Ninth arpeggio contains extended tones beyond the basic triad, adding harmonic color and sophistication. Use it over C#9, C#11, C#13 chords to outline richer voicings in jazz, fusion, and neo-soul contexts.
Practice Routine
Play the C# Sixth Added Ninth arpeggio as whole notes over a backing track or drone on C#. Focus on intonation and tone quality for each of the 5 notes (C#, F, G#, A#, D#). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Cavaquinho Tips
Practice the C# Sixth Added Ninth arpeggio on your instrument at a slow, comfortable tempo, focusing on clean articulation of each of the 5 tones before gradually increasing speed.