Mundy will headline the fundraising gig for Berkeley tragedy victims.
Other acts performing include The Dublin Gospel Choir, Neon Atlas, Heroes in Hiding and Knights of Leons.
The charity event will raise money for the students who have been left with life changing injuries after the Berkeley balcony collapse, in which six students died and seven more were injured
One survivor, Clodagh Cogley is slowly recovering in hospital. She intends "to honour those who died by living the happiest and most fulfilling life possible."
Aoife Beary has begun to wake from her coma. She had been celebrating her 21st birthday on the night of the tragedy.
Jack Halpin suffered spinal injuries, a broken hip, broken leg, shattered knee-cap, and internal injuries. He was hailed a hero for breaking the fall of 21 year old Clodagh Cogley, saving her life. He is slowly recovering.
The charity event will take place at The Academy in Dublin on July 23rd.
