C 7b9 Chord on Tenor Guitar
Play C 7b9 on Tenor Guitar: 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 Tenor Guitar with clear fretboard diagrams and suggested finger positions.
The C string ring open in the lowest shape, with the remaining notes fretted at fret 2 over a 3-fret stretch. The root is the C string itself. It sounds from C3 up to C#5.
It has a flat wooden top, so the same grip sustains far longer than it does on a tenor banjo.
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.