https://www.prolocosigna.it/notizie/2013/autunno-musicale-signese
https://imaginificat.blogspot.it/p/sara-pastine.html
https://www.versiliatoday.it/evento/2013/11/09/concerto-archi-il-quartetto-charis-palazzo-medice/
Quartetto Charis
quartettocharis@gmail.com
