For many practical and theoretical purposes, arpeggios and broken chords (in which the notes of the chord are sounded one after the other, rather than simultaneously), or sequences of chord tones, may also be considered as chords in the right musical context. Guitarist performing a C chord with G bassĪ chord, in music, is any harmonic set of pitches/frequencies consisting of multiple notes (also called 'pitches') that are heard as if sounding simultaneously.