Singer/songwriter KT Tunstall [ tickets ] has filled in her summer US tour schedule as she continues to lay down roadwork behind last year's "Drastic Fantastic."

The Scottish musician kicks off the run Aug. 1 in Atlanta, with 20 shows currently lined up through that month. Singer/songwriter Martha Wainwright will open many of the shows. Dates are listed below, and information on opening acts for specific shows can be found at Tunstall's website.

Tunstall is touring behind "Drastic Fantastic," which hit stores last September. She again worked with producer Steve Osbourne (U2, New Order), who also handled production duties on her 2004 debut, "Eye to the Telescope."

"With 'Drastic Fantastic,' what I really wanted to do was enjoy making it a little more complex than the first one," Tunstall told LiveDaily during a recent interview. "So the instrumentation and the arrangements are really satisfying on this second album, whereas, I wasn't even really thinking about it on the first one. It was very simply presenting the songs I had written.

"On this one, there's a bit more guitar-solo work, there's a couple of string arrangements, there's a lot of work going into backing vocals and general instrumentation on the tunes. It was great fun to do that."

The album debuted at No. 9 on The Billboard 200, and beat out both Kanye West and 50 Cent in her native country to hit the top of the Scottish charts.