In music, the 'Farben' chord is a chord, in ascending order C–G♯–B–E–A, named after its use in Five Pieces for Orchestra, Op.16, No. 3, "Farben" (German: "colors") by Arnold Schoenberg. Its unordered pitch-class content in normal form is 01348 (e.g., C–C♯–E♭–E–G♯), its Forte number is 5-z17, in the taxonomy of Allen Forte. The identity of the Farben chord, however, depends on ordering of its pitches in a particular voicing. It is enharmonically equivalent to a minor/major ninth chord : A–C–E–G♯–B.