Liverpool the orchestra is Vasily Petrenko. Sir Edward Elgar dedicated his famous Pomp and Circumstance March No. 1 to the Liverpool Orchestral Society, and the piece had its first performance in the city in 1901. Among Liverpool's curiosities, the Austrian émigré Fritz Spiegl is notable. He not only became a world expert on the etymology of Scouse, but composed the music to Z-cars and the Radio 4 UK Theme. The Mathew Street Festival is an annual street festival that is one of the most important musical events in Liverpool's calendar. It is Europe's largest free music event and takes place every
No. 4 Squadron RAAF to train forward air controllers. The Forward Air Control Development Unit (FACDU) of No. 82 Wing, which operated Pilatus PC-9s, was merged into the new unit, along with the Special Tactics Project. This continued the FAC presence at Williamtown that had been maintained by FACDU and No. 4 Flight, which operated Winjeels out of Williamtown from 1970 to 1989. No. 4 Squadron has operated the following aircraft: No. 4 Squadron RAAF No. 4 Squadron is a Royal Australian Air Force squadron composed of the air force special forces Combat Controllers, aircrew who operate the Pilatus PC-9A(F) (Forward Air Control variant)