A# Major Blues Bass Scale
Bass scale — fretboard diagramBeginner
A# Major Blues Scale — Notes and Intervals
The A# Major Blues scale is an extension of the major pentatonic that adds a blue note for extra soul. On Bass, the notes are A#, C, C#, D, F, G. It blends the happy character of major keys with the expressive, vocal-like slides of the blues, and is a staple in country, swing, and jazz-blues contexts. Commonly used in Blues, Country, Jazz, Swing, Southern Rock. Notable players include B.B. King, Stevie Ray Vaughan, Albert King. Use over major and dominant 7th chords in blues, country, and swing contexts. Mix with minor blues for complete blues vocabulary.
Notes: A#, C, C#, D, F, G
Intervals: 1P, 2M, 3m, 3M, 5P, 6M
Degrees: 1 2 b3 4 5 6
Formula: W-H-H-WH-W-WH
Number of notes: 6
Musical Character
Adds a 'blue note' (b3) to the major pentatonic, creating a brief clash between major and minor that gives the blues its characteristic sweet-and-sour emotional pull.
Genres & Notable Artists
Genres: Blues, Country, Jazz, Swing, Southern Rock
Notable players: B.B. King, Stevie Ray Vaughan, Albert King
How to Use the A# Major Blues Scale
Use over major and dominant 7th chords in blues, country, and swing contexts. Mix with minor blues for complete blues vocabulary.
Origin & Background
Emerged from African American musical traditions. The blue note represents the microtonal bending between major and minor thirds.
How to Play A# Major Blues on Bass
On bass, locate A# on the A string at fret 1. Use a one-finger-per-fret approach starting from the root and span two to three strings. Keep your fretting hand relaxed and practice shifting between positions cleanly.
The A# Major Blues scale contains 2 sharps (A#, C#). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Practice the A# Major Blues scale by playing it ascending with one rhythmic feel (straight eighth notes) and descending with another (swing or triplets) at 60 BPM. This dual approach trains both technical accuracy and rhythmic versatility with the 6 notes of the scale.
Experiment with simple two-chord vamps rooted on A# to let the characteristic intervals of the Major Blues scale come through clearly. This scale is especially effective in jazz contexts.
Bass Tips
On bass, use the A# Major Blues scale to build walking bass lines by targeting chord tones on strong beats and using scale tones as approach notes. This is the foundation of functional bass playing. Aim for a soulful quality in your phrasing to match the natural character of this scale.
Related Scales
Major Blues is the Major pentatonic with added b3 blue note. View A# Major pentatonic scale
The A# Major Blues scale contains 6 notes (A#, C, C#, D, F, G). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for A# Major Blues
The A# Major Blues scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 6-note pentatonic scale, 2-notes-per-string patterns are the most ergonomic way to traverse the fretboard. Use the pattern selector above to isolate each position.