F# Lydian #9 Piano Scale
Piano scale diagram
F# Lydian #9 Scale — Notes and Intervals
The F# Lydian #9 scale is an exotic and aggressive variation of the Lydian mode. On Piano, the notes are F#, A, A#, C, C#, D#, F. It features a wide melodic gap that gives it a fusion edge, perfect for high-energy solos and modern jazz compositions that require a sharp, biting sound. Commonly used in Fusion, Modern Jazz, Progressive. Notable players include Allan Holdsworth, Brett Garsed. Use over 7#9#11 chords. A specialized fusion tool for adding a sharp, biting edge to Lydian-based lines.
Notes: F#, A, A#, C, C#, D#, F
Intervals: 1P, 2A, 3M, 4A, 5P, 6M, 7M
Degrees: 1 #2 3 #4 5 6 7
Formula: WH-H-W-H-W-W-H
Number of notes: 7
How to Play F# Lydian #9 on Piano
On piano, the F# Lydian #9 scale uses 4 black keys. With several black keys involved, let the thumb naturally fall on white keys where possible. Practice hands separately at first, paying attention to smooth thumb-under transitions.
The F# Lydian #9 scale contains 4 sharps (F#, A#, C#, D#). Its relative minor is D# minor, which shares the same notes.
Practice Routine
Begin by playing the F# Lydian #9 scale ascending and descending at 80 BPM using a metronome, one note per beat. Once comfortable, practice in thirds (F#-A#, A-C) to build intervallic familiarity. Spend 5 minutes daily on this pattern before increasing tempo by 10 BPM.
Experiment with simple two-chord vamps rooted on F# to let the characteristic intervals of the Lydian #9 scale come through clearly.
Piano Tips
On piano, practice the F# Lydian #9 scale hands together in contrary motion (one hand ascending, the other descending). This builds independence and strengthens your awareness of the scale's symmetry.
The F# Lydian #9 scale contains 7 notes (F#, A, A#, C, C#, D#, F). Use the interactive piano diagram above to explore this scale on Piano.