Scottish singer-songwriter KT Tunstall returns with a new album, Invisible Empire // Crescent Moon, on August 6 on Blue Note Records. WXPN Welcomes KT to Union Transfer on Friday, September 27. Tunstall recorded the album in Arizona with Howe Gelb (Giant Sand) and was recently on World Cafe with David Dye. Listen to the session here. Go here for tickets and more information on the show.