KEY POINTS
  • Carlyle Group helped finance the sale of Taylor Swift's music rights to Ithaca Holdings.
  • "I've got every confidence in the world that it's going to turn out to be a successful investment," Carlyle Group co-CEO Kewsong tells CNBC.

Carlyle Group co-CEO Kewsong Lee is optimistic about the private equity firm's investment in superstar Taylor Swift.

"I've got every confidence in the world that it's going to turn out to be a successful investment," Lee told CNBC"s Wilfred Frost on "Squawk on the Street" on Wednesday.