Electronic act Disclosure are the latest band to be added to the programme for this year's gigs at the Royal Hospital, Kilmainham in Dublin.
The Lawrence brothers, who released their second album 'Caracal' last year, will play the outdoor venue on June 28th, with support from Vince Staples.
Tickets are €49.65 including booking fee, and on sale from usual outlets this Friday at 9am.
The only other act announced for RHK so far has been Sigur Rós with special guest James Vincent McMorrow on June 26th.