A# Suspended Fourth Flat Ninth Mandolin Arpeggio
Mandolin arpeggio — fretboard diagram
A# Suspended Fourth Flat Ninth Arpeggio — Notes and Intervals
Notes: A#, D#, F, G#, B
Intervals: 1P, 4P, 5P, 7m, 9m
Formula: 5-W-WH-WH
Number of notes: 5
Also known as: b9sus, phryg, 7b9sus, 7b9sus4
The A# Suspended Fourth Flat Ninth arpeggio contains 5 notes (A#, D#, F, G#, B). Use the interactive fretboard diagram above to explore each arpeggio shape and pattern on Mandolin. Practice ascending and descending from the root note across all strings to learn the sound of this arpeggio.
When to Use the A# Suspended Fourth Flat Ninth Arpeggio
Play the A# Suspended Fourth Flat Ninth arpeggio whenever a A# Suspended Fourth Flat 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# Suspended Fourth Flat Ninth arpeggio uses 5 notes (A#, D#, F, G#, B) 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# Suspended Fourth Flat Ninth Arpeggio on Mandolin
Locate A# on your instrument and play through the 5 notes of the Suspended Fourth Flat Ninth arpeggio (A#, D#, F, G#, B) slowly, ensuring each tone rings clearly before connecting them at speed.
The A# Suspended Fourth Flat Ninth arpeggio avoids the third, creating an open, unresolved sound. It works over A#sus4, A#sus2, A#7sus4 voicings and is perfect for creating a modern, ambiguous harmonic feel that neither commits to major nor minor.
Practice Routine — Exercises for Playing
Practice the A# Suspended Fourth Flat Ninth arpeggio in different octaves, starting low and working up. Then try displacing the octaves — play the root low, the D# an octave higher, and continue leaping. This trains your ear to hear the intervals (1P, 4P, 5P, 7m, 9m) in any register.
Mandolin Tips
Practice the A# Suspended Fourth Flat Ninth arpeggio on your instrument at a slow, comfortable tempo, focusing on clean articulation of each of the 5 tones before gradually increasing speed.
Related Resources
- Browse Chord Progressions
- Interactive Circle of Fifths
- A# Suspended Fourth Flat Ninth on Guitar
- A# Suspended Fourth Flat Ninth on Bass