Billy Ray Cyrus performed at the funeral of a man shot and killed at the Donald Trump rally. The 76-year-old US presidential candidate was shot by Thomas Matthew Crooks at a campaign rally in Pennsylvania last Saturday and was left with an injured ear but at the remembrance service of 50-year-old Corey Comperatore – who is said to have “died trying to protect his family” – ‘Achy Breaky Heart’ singer Billy, 62, sang the standard ‘Amazing Grace’ on Friday (19.07.24) A source told People: “Corey Comperatore is a Army reservist veteran and former firefighter chief. [Cyrus] BRC has always been pass…