Fresh off a lengthy tour supporting his mammoth new four-disc album, "These Days," country star Vince Gill [ tickets ] has added a slew of new dates to his itinerary for January and beyond.

The singer, who recently finished up his latest standing engagement at the Las Vegas Hilton, has firmed up his tour plans for February and March, with scattered shows popping up on his schedule all the way into next June.

Gill, currently taking a break for the holidays, will kick off his next outing with the first of a pair of back-to-back shows Jan. 5 in Niagara Falls, Ontario.

On Oct. 17, Gill issued "These Days," his first new collection since 2003's "The Next Big Thing." The album comprises 43 songs, all of which Gill wrote or co-wrote. The singer also co-produced the set with the help of keyboardist John Hobbs and sound engineer Justin Niebank.

"These Days" features more than 20 guest performers, including Sheryl Crow, Bonnie Raitt, Diana Krall, Rodney Crowell, Phil Everly, the Del McCoury Band, Emmylou Harris, John Anderson, Lee Ann Womack, Amy Grant, LeAnn Rimes, Gretchen Wilson, Guy Clark, Trisha Yearwood, Bekka Bramlett, Michael McDonald and steel-guitar virtuoso Buddy Emmons.

Gill's new album features the lead-off single "The Reason Why," which is streaming at his website.