Veteran British rock outfit Jethro Tull will spend some time this summer on a stateside run celebrating the 40th anniversary of the band's landmark album "Aqualung." Veteran British rockers Jethro Tull will return to North America this summer amid reports that the group is working on its first new studio album in 11 years. Veteran rockers Jethro Tull continue to expand their upcoming North American trek, recently adding a few more dates on both coasts. Veteran rock band Jethro Tull recently launched a world tour that is currently traveling through Europe and will make its way to North America in September. Veteran rock act Jethro Tull has hammered out the details of a two-month tour through North America that will take place this fall. Classic-rock outfit Jethro Tull will mix things up during shows on its upcoming North American tour, which will feature one acoustic set and one electric set. Jethro Tull is eyeing a late-fall return to North America for a road trip that will find the group splitting its time between electric and acoustic performances. The release date for "Top of the World Tour Live," a two-CD set and a DVD that chronicles the Dixie Chicks' 2003 tour, has been pushed up four days to Nov. 21. Britney Spears has kicked off a slew of promotional activity behind her forthcoming album, "In the Zone," which is due in stores on Tuesday (11/18).