B Lydian Bass Scale
Bass scale — fretboard diagram
B Lydian Scale — Notes and Intervals
The B Lydian scale is the fourth mode of the major scale and arguably the brightest sound in music theory. On Bass, the notes are B, C#, D#, F, F#, G#, A#. It is known for its ethereal, dreamlike, and cinematic quality. Because it avoids the pull of the perfect fourth, it is a favorite for film composers wanting to evoke a sense of wonder or otherworldly space. The diatonic chords of B Lydian are BMaj7, C#7, D#m7, Fm7b5, F#Maj7, G#m7, A#m7. Commonly used in Film Scores, Progressive Rock, Fusion, Ambient, Dream Pop. Notable players include Joe Satriani, Steve Vai, John Williams, Hans Zimmer. Use over Maj7#11, Maj9 chords. Ideal for non-resolving major passages. Avoid when the music needs to feel grounded or resolved.
Notes: B, C#, D#, F, F#, G#, A#
Intervals: 1P, 2M, 3M, 4A, 5P, 6M, 7M
Degrees: 1 2 3 #4 5 6 7
Formula: W-W-W-H-W-W-H
Number of notes: 7
Diatonic Chords
BMaj7 — C♯7 — D♯m7 — Fm7♭5 — F♯Maj7 — G♯m7 — A♯m7
How to Play B Lydian on Bass
On bass, locate B on the A string at fret 2. 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 B Lydian scale contains 5 sharps (C#, D#, F#, G#, A#). Its relative minor is G# minor, which shares the same notes.
Practice Routine
Practice the B Lydian scale by playing it ascending with one rhythmic feel (straight eighth notes) and descending with another (swing or triplets) at 80 BPM. This dual approach trains both technical accuracy and rhythmic versatility with the 7 notes of the scale.
Try these progressions with the B Lydian scale: BMaj7 - Fm7b5 - F#Maj7 - BMaj7 (I-IV-V-I) or BMaj7 - C#7 - Fm7b5 - F#Maj7 for a more stepwise movement.
Bass Tips
Practice the B Lydian scale on bass using only your index and ring fingers for a two-finger-per-string approach, then switch to one-finger-per-fret. Both techniques are essential for different musical situations.
The B Lydian scale contains 7 notes (B, C#, D#, F, F#, G#, A#). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for B Lydian
The B Lydian 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 7-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.