A concert is held most evenings with the festival usually running from the end of May to late June/early July; tickets for each night are sold separately, with varying lineups and pricing.

When the Showgrounds were acquired by the Munster GAA for its redevelopment of the adjoining Páirc Uí Chaoimh stadium, Live at the Marquee moved to an adjacent site previously used by Ford as a vehicle distribution centre.

[3] The event has attracted many well-known names in the music industry to perform including Little Mix, Elton John, JLS, Ellie Goulding, 50 Cent, Diana Ross, Bob Dylan, Kanye West, Lady Gaga, The Script, Pink, Christy Moore, Jason Derulo, Eric Clapton, Flo Rida, Jay-Z, Morrissey, Neil Young, Paul Simon, Anastacia, Jessie J, Olly Murs, Steps, Meat Loaf, Ke$ha, Picture This, Jedward, Ne-yo, Snoop Dogg, Lana Del Rey, Alexandra Burke and Sting.

[21] On 19 February 2009, a further set of acts were announced – including: Blondie, Simple Minds, Crosby, Stills & Nash, Bell X1, Des Bishop, Mick Flannery/John Spillane, Boyzone and Anastacia.

Fleet Foxes were announced as the 10th act for the festival, and Bob Dylan, Tom Jones, Katherine Lynch, Westlife, Paul Simon and a second Imelda May show where added on 7 March.

The line-up was: Aiken Promotions officially announced the first act for the 2012 festival on 7 November 2011, with Christy Moore performing alongside Declan Sinnott on 23 June 2012.

[68] Acts, appearing from 9 June to 14 July, included Elton John, Eddie Vedder, Elbow, Cliff Richard, Frankie Valli & the Four Seasons, Bryan Adams, Idina Menzel (cancelled[69]), Emeli Sandé (cancelled[70]), The Coronas, Picture This, Walking on Cars, Nathan Carter, RTÉ 2fm Live with Jenny Greene and the RTÉ Concert Orchestra, Gavin James, Christy Moore, Tommy Tiernan, and Al Porter.

[71] Acts, appearing from 7 June to 14 July, included A-Ha, Don McLean, Bell X1, Gavin James, CHIC featuring Nile Rodgers, Picture This, Jenny Greene and the RTÉ Concert Orchestra, The Script, James Bay, Christy Moore, Nathan Carter, Jack Johnson, Alanis Morissette, Kraftwerk, and The Coronas.

[72][73] The lineup for the 2019 event included Aslan, Toto, Kris Kristofferson, The Academic, Christy Moore, David Gray, and Hall & Oates.