Source: wikibot/pitch-class-space
= Pitch class space
{wiki=Pitch_class_space}
Pitch class space is a concept in music theory that refers to the organization of pitch classes into a conceptual space where notes are treated as equivalent if they are related by octave. In this context, a pitch class is a set of all pitches that are a whole number of octaves apart. For example, the pitch classes C, C\#, D, D\#, etc., are all represented in their respective "space.