Look for the River Rocks fest, with some national acts, Sept. 19-20 at Harriet Island in St. Paul, replacing last year's Minnesota Music Festival. ... At the Minnesota Zoo, Marc Cohn has added a second night, July 23, and Matisyahu has moved to June 27 because of religious reasons. ... Judas Priest rocks the Myth in Maplewood on Aug. 2. At First Avenue, it's Duffy on July 31 and She and Him (that's Zooey Deschanel and M. Ward) on Aug. 7. ... The Jonas Brothers' "Little Bit Longer" arrives Aug. 12. ... T-Pain's "Thr33 Ringz" is due Sept. 30. LL Cool J's "Exit 13" enters on July 18. ... Sigur Ros' "With a Buzz in Our Ears We Play Endlessly" buzzes on June 24.