A# Major Ninth Mandolin Arpeggio
Mandolin arpeggio — fretboard diagram
A# Major Ninth Arpeggio — Notes and Intervals
Notes: A#, 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 A# Major Ninth arpeggio contains 5 notes (A#, D, F, A, C). Use the interactive fretboard above to explore this arpeggio on Mandolin with different tunings and fret ranges.
When to Use the A# Major Ninth Arpeggio
Play the A# Major Ninth arpeggio whenever a A# 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 A# Major Ninth arpeggio uses 5 notes (A#, 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 A# Major Ninth Arpeggio on Mandolin
Locate A# on your instrument and play through the 5 notes of the Major Ninth arpeggio (A#, D, F, A, C) slowly, ensuring each tone rings clearly before connecting them at speed.
The A# Major Ninth arpeggio outlines a A# major chord and works perfectly over A#, A#maj7, A#6 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 A# Major Ninth arpeggio as whole notes over a backing track or drone on A#. Focus on intonation and tone quality for each of the 5 notes (A#, D, F, A, C). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Mandolin Tips
Practice the A# 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.