 Special guests included Stevie Nicks, Pearl Jam, the Allman Brothers Band, Trey Anastasio, the Derek Trucks Band, and the Black Crowes.Nicks joined Petty and the Heartbreakers on stage for "a selection of songs" including "Stop Draggin' My Heart Around".In July 2006, Petty released a solo album titled "Highway Companion", which included the hit "Saving Grace".