Fretonator: the ultimate interactive free guitar theory tool

Choose a starting note

Check out the fretboard

Highlight scale degrees

Scale degrees display

Fretboard

Guitar tuning

Have a jam

Fusion Jam Track - 30 Minute - Funky Mixolydian in Bb by Fusion Jam Tracks

Learn the theory

Theoretical  Scale

A#

B#

Cx

D#

E#

Fx

G#

Break modes down into patterns

Mode interval pattern

tone
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tone
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semitone
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tone
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tone
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semitone
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tone

Chords (triads)

A#maj (I)
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B#min (ii)
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Cxdim (iii)
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D#maj (IV)
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E#min (v)
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Fxmin (vi)
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G#maj (VII)