Snow Patrol have been announced as the headline act for Day 2 of Tennants Vital 2013.
Also joining the bill on Day 2 are Kodaline and Foy Vance.
The two-day festival takes place at Boucher Road Playing Fields on Wednesday, August 14 and Thursday, August 15.
Kings of Leon are headlining the first day.
Tickets for Day 2 go on sale at 10am on Friday from Ticketmaster.