By Tony Jimenez VIRGINIA WATER, England, May 26 (Reuters) - Scott Hend's golf game has a tendency to go up and down like a violinist's elbow but the Australian played sweet music as he fired a 65 in the opening round of the BMW PGA Championship on Thursday. Hend's seven-under-par score lifted him to the top of the leaderboard alongside 2009 U.S. PGA Championship winner Yang Yong-eun of South Korea and Dutchman Joost Luiten. U.S. Masters champion Danny Willett was lurking ominously one shot off the pace after a balmy summer's day at Wentworth while fellow Englishman Luke Donald, winner of the European Tour's flagship event in 2011 and 2012, started with a 68. More...