|It is requested that one or more musical audio files be uploaded to Wikimedia Commons and included in this article to improve its quality. Please see Wikipedia:Requested recordings for more on this request.|
Please remove this "article"
Like Electric guitar design, it strongly resembles a failed term paper. It adds little (if anything) to elaborations better presented in other articles, and appears dedicated to creating a Topic from scattered factoids that are taken from relevant context and rendered merely interesting.
Weeb Dingle (talk) 02:13, 16 June 2017 (UTC)