If you want to bid on the Carrie Underwood VIP experience at the Grand Ole Opry via Charitybuzz.com, you’d better make an offer before 2 p.m. CT. Charitybuzz’s first-ever curated music auction is live and includes the chance to spend time with country music stars such as Carrie Underwood, Sam Hunt, Jason Aldean, Dierks Bentley,…