Jane Cohen and Bob Grossweiner

Grammy Award winners Keith Urbanand Carrie Underwood, fresh from two CMA award wins, are hitting the concert trail in 2008 on a 24-city, co-headlining tour billed Love, Pain & the Whole Crazy Carnival Ride Tour, taken from the titles of each artist’s most recent albums. The tour begins Jan. 31 in a city to be named; tickets go on sale Dec. 1.

Urban, who will release “Greatest Hits: 18 Kids” on Nov. 20, has been touring since April in support of his #1 album “Love, Pain & the Whole Crazy Thing.” In that time, he’s performed shows on three continents.

Underwood’s second album, “Carnival Ride,” recently debuted at #1 on the Billboard 200, selling over half a million copies in its first week.

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Tour dates to be announced shortly.