Theaters and artists perfomances - Operabase

http://operabase.com/oplist.cgi?id=none&lang=de&loc=&near=0&stype=abs&sd=1&sm=1&sy=2000&srel=0&etype=abs&ed=&em=&ey=&erel=0&full=n&sort=V&is=Holl%C3%A4nder

Operatic activity worldwide since 1996, with over 470,000 performances and 94,000 artists in over 1,400 companies. Publishes season information to opera-goers in 23 languages. Search by artist, work, composer, city, company or dates. Professional tools for…