Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Georg Druschetzky:

"

He studied oboe with the noted oboist and composer Carlo Besozzi in Dresden. He then joined the band of an infantry regiment in Eger, with which he was later stationed (sequentially) in Vienna, Enns, Linz, and Branau. In 1777 he was certified as a drummer. In 1783 he moved to Vienna, where he became a member of the Tonkünstler-Sozietät. Three years later he was Kapellmeister for Anton Grassalkovič of Gyaraku and moved to Bratislava.