This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Music theory Low‑importance This article is within the scope of WikiProject Music theory, a collaborative effort to improve the coverage of music theory, theory terminology, music theorists, and musical analysis on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Music theoryWikipedia:WikiProject Music theoryTemplate:WikiProject Music theoryMusic theory Low This article has been rated as Low-importance on the project's importance scale.

Spelled out Pitch Class, as PC has other meanings.70.179.92.117 (talk) 04:05, 16 December 2010 (UTC)[reply]