The Hanford Site hosts a research center.
Giovanni Battista Maccioni -LRB- floruit 1651 -- 1674 -RRB- was an Italian composer , librettist , and musician .. floruit. floruit. librettist. libretto. His L'arpa festante -LRB- The Festive Harp -RRB- , first performed in 1653 , inaugurated what was to become the Bavarian State Opera and is often described as the first opera to be wholly written and produced in Germany .. Bavarian State Opera. Bavarian State Opera