A Altered Cavaquinho Arpeggio
Cavaquinho arpeggio — fretboard diagram
A Altered Arpeggio — Notes and Intervals
Notes: A, C#, G, Bb
Intervals: 1P, 3M, 7m, 9m
Formula: 2W-6-WH
Number of notes: 4
Also known as: alt7
The A Altered arpeggio contains 4 notes (A, C#, G, Bb). Use the interactive fretboard above to explore this arpeggio on Cavaquinho with different tunings and fret ranges.
When to Use the A Altered Arpeggio
Play the A Altered arpeggio whenever a A Altered 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 A Altered arpeggio uses 4 notes (A, C#, G, Bb) 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 A Altered Arpeggio on Cavaquinho
Locate A on your instrument and play through the 4 notes of the Altered arpeggio (A, C#, G, Bb) slowly, ensuring each tone rings clearly before connecting them at speed.
The A Altered arpeggio outlines a AAltered chord. Playing these 4 tones (A, C#, G, Bb) over the matching harmony ensures your melodic lines clearly follow the chord changes.
Practice Routine
Play the A Altered arpeggio as whole notes over a backing track or drone on A. Focus on intonation and tone quality for each of the 4 notes (A, C#, G, Bb). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Cavaquinho Tips
Practice the A Altered arpeggio on your instrument at a slow, comfortable tempo, focusing on clean articulation of each of the 4 tones before gradually increasing speed.