Jack Antonoff speaks on stage at "Up Close & Personal" In My Studio With…Jack Antonoff at The Village Recording Studio on Aug. 11, 2025 in Los Angeles, California.Acclaimed music producer Jack Antonoff is rejecting claims by Live Nation Entertainment CEO Michael Rapino that concert tickets are still "underpriced."The CEO's comments came at the CNBC Sport and Boardroom Game Plan conference last week, when he said, "In sports, I joke it's like a badge of honor to spend [$70,000] for Knicks courtside. ... When ...