The Olympia will be the venue for a night of music and nostalgia in aid of Pieta House.
In Tua Nua reunite for a rare performance, and other Irish favourites such as Picturehouse and Blink will also be taking the stage.
Members of The Fat Lady Sings, Cactus World News, The Fountainhead, Cry before Dawn, Those Nervous Animals - and many more besides - will all be chipping in to ensure a special night, all in aid of a very special cause.
Tickets, priced at €25.75, are available from Ticketmaster now.