Each summer Jazz Aspen stages two festivals throughout Aspen’s four resort towns. This year’s lineup will veer towards the eclectic with Trey Anastasio, Elvis Costello and the Imposters, Diana Krall and Maceo Parker confirmed to perform. In addition, Allen Toussaint has confirmed that he will perform with Costello in support of their recent studio collaboration _ The River in Reverse_. Jazz Aspen’s June offering will take place from June 22-25.