
The Leicestershire band Kasabian performed to thousands in Belfast's Custom House Square, where they started the festival in in dramatic style.
The event was spotted as the biggest music event this summer from the revenue point of view. So many European best know singer also performed lived at the show and they electrify the attendant.
Kasabian classics like Underdog wowed the crowd in the compact venue.
"Belfast you sound beautiful tonight." said vocalist Tom Meighan.
The band was made the crowd rocking with them and they did electrify each and every moment of their presence on stage. The group was also voted as the best British group at the Brit awards this year
Ash also performed and received a rapturous reception.
A record 40,000 people are expected to attend the festival.
Paul Weller, DJ David Guetta and Biffy Clyro are also lined up to entertain the crowds as well as Stereophonics and highly rated local groups Cashier Number 9 and General Fiasco.