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Guitar scale · dominant diminished, diminished scale

F# Half-Whole Diminished Scale

8-note symmetrical scale used over dominant 7th chords for tension and outside soloing.

Notes F#GAA#B#C#D#E
Formula 1 ♭9 ♯9 3 ♯4 5 6 ♭7
Steps H W H W H W H W
Mood Symmetrical, Tense, Outside
Heard in Jazz Fusion, Shred Metal, Bebop

Interactive scale diagram

F# Half-Whole Diminished Scale · Standard tuning

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E

Tap any note to hear it.

F# Half-Whole Diminished Scale tab: all 5 positions

Each tab climbs from the low E string to the high e string. Play it up, then back down.

Position 1 · E shape frets 2–6
e|---------------------------------2-3-5-6-|
B|-----------------------------4-5---------|
G|---------------------2-3-5-6-------------|
D|---------------2-4-5---------------------|
A|---------3-4-6---------------------------|
E|-2-3-5-6---------------------------------|
Position 2 · D shape frets 4–8
e|---------------------------------5-6-8-|
B|---------------------------5-7-8-------|
G|---------------------5-6-8-------------|
D|-------------4-5-7-8-------------------|
A|-------4-6-7---------------------------|
E|-5-6-8---------------------------------|
Position 3 · C shape frets 6–10
e|------------------------------------6-8-9-|
B|-----------------------------7-8-10-------|
G|-----------------------6-8-9--------------|
D|----------------7-8-10--------------------|
A|-------6-7-9-10---------------------------|
E|-6-8-9------------------------------------|
Position 4 · A shape frets 9–13
e|----------------------------------------------9-11-12-|
B|-------------------------------------10-11-13---------|
G|-----------------------------9-11-12------------------|
D|--------------------10-11-13--------------------------|
A|---------9-10-12-13-----------------------------------|
E|-9-11-12----------------------------------------------|
Position 5 · G shape frets 11–15
e|-------------------------------------------------11-12-14-15-|
B|-------------------------------------------13-14-------------|
G|-------------------------------11-12-14-15-------------------|
D|----------------------11-13-14-------------------------------|
A|-------------12-13-15----------------------------------------|
E|-11-12-14-15-------------------------------------------------|

How to play F# Half-Whole Diminished on guitar

Find the root first: F# is at fret 2 on the low E string and fret 9 on the A string. The blue notes on the diagram are every F# on the neck; the gold ones are the rest of the scale's home chord (3, 5, ♭7), the safest notes to land on at the end of a phrase.

Learn it one box at a time. Position 1, the E shape, sits at frets 2–6. Once it's under your fingers, move to position 2 (the D shape) and play the notes the two boxes share, then keep going up the neck. After all five, the scale joins up into one pattern across the whole fretboard.

Degrees

DegreeNote
1 F#
♭9 G
♯9 A
3 A#
♯4 B#
5 C#
6 D#
♭7 E

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Questions

What notes are in the F# Half-Whole Diminished Scale?
The F# Half-Whole Diminished Scale has 8 notes: F#, G, A, A#, B#, C#, D#, E.
What is the formula of the half-whole diminished scale?
1 ♭9 ♯9 3 ♯4 5 6 ♭7, which is the step pattern H W H W H W H W (W = whole step, H = half step).
Where do I play F# Half-Whole Diminished on the guitar?
The root F# is at fret 2 on the low E string and fret 9 on the A string. Position 1 (the E shape) covers frets 2–6, and four more positions connect it up the neck.

Half-Whole Diminished Scale in every key

More scales in F#