Hozier, James Vincent McMorrow and Wild Beasts are among 23 new acts added to the Electric Picnic lineup.
Bombay Bicycle Club, the Strypes and the Dublin Gospel Choir are also joining the big names heading to the festival.
It is just over five weeks until Stradbally in Co Laois plays host to headliners Beck, the Pet Shop Boys and Outkast - along with hundreds of other acts.
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Tickets for the whole weekend will set you back €229.50.
However Sunday day tickets, family camping and campervan tickets are all already sold out.