What nationality is the concertmaster of the principal opera company in Australia?
Irish
Title: Israeli Opera
Passage: The Israeli Opera, formerly known as the New Israeli Opera, is the principal opera company of Israel.  It was founded in 1985 after lack of Israeli government funding led to the demise of the Israel National Opera.  Since 1994 the Tel Aviv Performing Arts Center has been its main performance venue.  The company also founded the Israeli Opera Festival which has performed large-scale outdoor productions, originally at Caesarea, and from 2010 in Masada.
Title: Aubrey Murphy (violinist)
Passage: Aubrey Murphy is an Irish violinist who is concertmaster of the Opera Australia orchestra.
Title: Opera Australia
Passage: Opera Australia is the principal opera company in Australia.  Based in Sydney, its performance season at the Sydney Opera House accompanied by the Australian Opera and Ballet Orchestra runs for approximately eight months of the year, with the remainder of its time spent in the Arts Centre Melbourne, where it is accompanied by Orchestra Victoria.  In 2004, the company gave 226 performances in its subscription seasons in Sydney and Melbourne, attended by more than 294,000 people.
Opera Australia Aubrey Murphy (violinist)