A number of acts have been added to 'All the Young Dudes' in Vicar Street on May 14th.
Delorentos, Bell X1, Cathy Davey, Jack L and Ham Sandwich have all been added to the lineup.
The night of music and comedy is being held in memory of Tony Fenton who passed away after a battle with cancer in March.
A host of other acts will perform including Aslan, Something Happens, The Stunning, The Minutes, Mick Flannery, Wallis Bird, Jerry Fish, Gavin Glass and The Grand Parade, Mario Rosentock and Dermot Whelan.
Tickets are on sale at Ticketmaster.ie but the gig is almost sold out.
All proceeds are being donated to the Irish Cancer Society through Today FM's Shave or Dye or Oh My! campaign.