C# 13 Chord on Terz Guitar

Play C# 13 on Terz Guitar: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

The C# 13 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#, D#, E#, G#, A#, B. This page shows how to play C# 13 on Terz Guitar with clear fretboard diagrams and suggested finger positions.

The F string rings open in the lowest shape, with the remaining notes fretted at fret 1 over a 3-fret stretch. The G string stays silent, so 5 of 6 sound. C# falls on the C string. It sounds from C#3 up to A#4.

Terz Guitar is tuned G–C–F–A#–D–G, with 15 frets to work with. Guitar shapes work unchanged on terz guitar — finger them exactly as charted; every shape sounds a minor third higher than on guitar.

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.