"Highway Companion" was briefly promoted on the tour with the Heartbreakers in 2006, with performances of "Saving Grace", "Square One", "Down South" and "Flirting with Time".During the summer of 2007, Petty reunited with his old bandmates Tom Leadon and Randall Marsh along with Heartbreakers Benmont Tench and Mike Campbell to reform his pre-Heartbreakers band Mudcrutch.