As AC/DC launched their Australian tour in Melbourne on Wednesday, hundreds of bagpipers assembled in record-breaking droves in the nearby Federation Square to play the band's classic song "It's a Long Way to the Top (If You Wanna Rock 'n' Roll)." The gathering drew 374 bagpipers, breaking the world record previously set in 2012 by 333 pipers in Bulgaria, the Associated Press reports. The oldest confirmed piper was 98 years old. You can see photos and video from the record-breaking gathering, dubbed "The Great Melbourne Bagpipe Bash," below. Why Was the Location of 'The Great Melbourne Bagpipe Bash' Important? Federation...