B Major Ninth Bass Arpeggio
Bass 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 Bass 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 Bass
On bass, locate B on the A string at fret 2. Span the 5 notes (B, D#, F#, A#, C#) across two to three strings using one finger per fret. Focus on even tone production between plucked strings and smooth position shifts.
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
Practice the B Major 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, 3M, 5P, 7M, 9M) in any register.
Bass Tips
On bass, use the B Major Ninth arpeggio as the skeleton for your bass lines. Target the root on beat 1, then use the other tones (D#, F#, A#, C#) on weaker beats to create movement while keeping the harmonic foundation solid.