Astor Piazzolla is used both as a classical composer (and thus using release artist as composer according to [http://musicbrainz.org/doc/ClassicalStyleGuide|CSG]) and as performer. Please make sure that releases added as a classical composer follow the [http://musicbrainz.org/doc/Style/Classical|appropriate guidelines]. === Astor Piazzolla artist name === Astor should be written, even if it is pronounced Ástor. The name would have been given by his father * after Astor Bolognini (Italian name of Argentinian cellist). ** Italian name Astor is written without accent. * https://centaurea.foroactivo.com/t1384-todo-astor-piazzolla ** https://www.todotango.com/english/artists/info/4283/Astor-Bolognini ** https://youtu.be/PaBwNHiuzvU