B Major Ninth Cavaquinho Arpeggio
Cavaquinho arpeggio — fretboard diagram
B Major Ninth Arpeggio — Notes and Intervals
Notes: B, D#, F#, A#, C#
Intervals: 1P, 3M, 5P, 7M, 9M
Formula: 2W-WH-2W-WH
Number of notes: 5
Also known as: maj9, Δ9, ^9
The B Major Ninth arpeggio contains 5 notes (B, D#, F#, A#, C#). Use the interactive fretboard above to explore this arpeggio on Cavaquinho with different tunings and fret ranges.
When to Use the B Major Ninth Arpeggio
Play the B Major Ninth arpeggio whenever a B Major 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 B Major Ninth arpeggio uses 5 notes (B, D#, F#, A#, C#) 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 B Major Ninth Arpeggio on Cavaquinho
Locate B on your instrument and play through the 5 notes of the Major Ninth arpeggio (B, D#, F#, A#, C#) slowly, ensuring each tone rings clearly before connecting them at speed.
The B Major Ninth arpeggio outlines a B major chord and works perfectly over B, Bmaj7, B6 harmonies. It is a foundational arpeggio for soloing over major-key progressions and emphasizes the bright, resolved character of the major triad.
Practice Routine
Play the B Major Ninth arpeggio as whole notes over a backing track or drone on B. Focus on intonation and tone quality for each of the 5 notes (B, D#, F#, A#, C#). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Cavaquinho Tips
Practice the B Major Ninth arpeggio on your instrument at a slow, comfortable tempo, focusing on clean articulation of each of the 5 tones before gradually increasing speed.