C 7b9 Chord on Classical Guitar (Drop D)
Play C 7b9 on Classical Guitar (Drop D): diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The C 7b9 chord is an extended or altered dominant that stacks ninths, elevenths, thirteenths, or chromatic tensions over a dominant-seventh core. It is built from the notes C, C#, E, G, A#. This page shows how to play C 7b9 on Classical Guitar (Drop D) with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the E string open and takes the rest at fret 1, reaching across 5 frets. C falls on the G string. It sounds from E2 up to E4. 2 voicings are charted, the highest starting at fret 2.
It has nylon strings on a wider, flatter neck, with the lowest string slackened a whole tone.
Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on C or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.