This year’s XPoNential Music Festival will feature Amos Lee teaming up with Preservation Hall Jazz Band and other special guests for a collaborative set. In addition, Spoon, The Suffers and Chicano Batman will also join the bill for the Camden, NJ festival.

The new additions join a previously announced lineup that includes Wilco, Conor Oberst and Hop Along, all of whom are slated to play the BB&T Pavilion on July 28. Amos Lee, Spoon and the others will take the stage on July 29.

XPoNential Festivals is slated for July 28-30 and tickets can be purchased here.