Here's news on what ought to be the highest grossing music tour of 2008:

Carrie Underwood will join another country superstar, Keith Urban, on a co-headlining, 24-city tour, starting January. 31.

The tour, named for a combination of the titles of the two artists' latest albums, is called the “Love, Pain & the whole crazy Carnival Ride Tour.”

Tickets go on sale December 1.