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  4. C 7b13
  5. 4th inversion

C 7b13, 4th inversion (Ab in the bass)

Also written as C7b13/Ab.

Download MIDI
CEGAbBb
4 4

Notes, from the bass up

Ab (bass)CEGBb

The same notes as C 7b13 (Ab, C, E, G and Bb), rearranged so Ab is the lowest note. Use it to move between chords with smaller jumps across the keyboard.

See the full C 7b13 page for root position, every other inversion, open voicings and the chord formula.