Belsonic announces Tom Jones and Madness as headliners
Tom Jones, Madness, Skrillex and Two Door Cinema Club are to headline this year's Belsonic festival.
The event at Belfast's Custom House Square will run from 15 to 24 August.
Northern Ireland group Two Door Cinema Club will be joined by Noah & The Whale at their concert.
Other headline and support act announcements are expected in the coming weeks.
Welsh singer Tom Jones' career has spanned 46 years and he has had a series of hits including It's Not Unusual, Kiss, Delilah and What's New Pussycat?.
He was knighted by the Queen in 2006, and has received BRIT Awards for Best Male and Outstanding Contribution to Music.
Madness are one the most successful British music acts of all time.
Part of the renowned ska revival of the late 1970s, they are known for hit singles including House Of Fun, Baggy Trousers and and Our House as well as six UK Top 10 albums.
They continue to perform live with the core line-up which founded the band more than 30 years ago, including lead singer Graham "Suggs" McPherson.
American dance music producer Skrillex, aka Sonny Moore, has won three Grammy awards.
He was named the 2011 MTV Electronic Dance Music artist of the year, and was one of the BBC Sound of 2012 poll nominees.
Two Door Cinema Club from Bangor, released their successful debut album Tourist History in 2010, and have gone on to build a global fan base since winning The Choice music prize .
They are currently touring the UK, headlining the prestigious NME Awards Tour.
Two Door Cinema Club will be joined at their concert by English indie-folk group Noah and the Whale, who emerged in 2008 with their debut single Five Years Time from their album Peaceful, The World Lays Me Down.
Following the release of 2011's Last Night On Earth album they have enjoyed wider mainstream success.