He'll be wrapping up things at Pravda on Friday 26, the first night of festivities.
The acclaimed singer-songwriter will join a bill of Idlewild, Mainline, The Rags, Sinead Hand, Dry County, Mono Band, Red Sirus and dozens of others that together showcase the best in new Irish talent.
The musicfest will take place between August 26-28 at various venues in Dublin.
Tickets, priced €25, are available from Ticketmaster, Olympia box office, Road Records, and HWCH headquarters at Filmbase, Curved St.
For more information of the weekend, visit www.hwch.net.