The Fratellis, The Horrors, Lightspeed Champion and Robyn are the latest acts confirmed for the Camden Crawl.
The two-day music feast takes place on Friday and Saturday 18-19 April in various venues in Camden, north London.
More than 100 acts will play on either day or both, however some have had to pull out of Saturday's bill and will now only play on Friday.
They are The Answering Machine, Crystal Castles, Does It Offend You, Yeah?, Los Campesinos!, Metronomy, One Night Only, Operator Please, Sam Isaac and Future of the Left.
Organisers have also unveiled more details on the day-time programme.
Live Comedy: Two stages of daytime comedy, Backstage Comedy and Laughterinoddplaces, will provide a variety of comedic talent.
Bedroom Jam: The only outdoor venue which will also be open to under 18's. Playing early live shows will be Los Campesinos! and Bombay Bicycle Club, plus many more TBC.
Busking Sessions: Budding musicians are being asked to contribute by hosting an official busking venue. Slots are available to anyone prepared to entertain a crowd. Visit www.redstripe.net.
Artists playing both days are Bobby Cook, Boy Kill Boy, Cage The Elephant, Cat The Dog, Cock N Bull Kid, Creepy Morons, Dananananaykroyd, Elle S'appelle, Fanfarlo, Florence And The Machine, The Haunts, Ida Maria, Ipso Facto, Johnny Flynn, Johnny Foreigner, Lets Wrestle, Lo-Fi-Fnk, Lykke Li, Make Model, Noah And The Whale, Royworld, Slow Club, Sam Sparro, Stricken City, Tellison, The Wave Pictures and This City.
On Friday only are Agaskodo Teliverek, Blackhole, Bombay Bicycle Club, Cutting Pink With Knives, Eastern Conference Champions, Eugene Mcguinness, Figure 5, The Ghost Frequency, Hatcham Social, In Case Of Fire, Jme, The King Blues, Lowline, Lucy and the Caterpillar, Noisettes, Post War Years, Rolo Tomassi, The Rushes, Sergeant, Shut Your Eyes And You'll Burst Into Flames, Simone White, Sixnationstate, Soko, Vinny Vinny, William, Yoav and YouthMovies.
On Saturday only are Acoustic Ladyland, The Brute Chorus, Cheeky Cheeky And The Nosebleeds, Cheap Hotel, Circulus, Duels, Effie Briest, Innerpartysystem, Invasion /Jay Jay Pistolet, Joe Lean and the Jing Jang Jong, Kode 9, Lucy And The Caterpillar, Pacific!, Partyshank, Reuben, Rosie Oddie And The Odd Squad, Screaming Tea Party, Skepta, Sky Larkin, Slagsmalsklubben, Stricken City, Tronic Youth and White Lies.
Tickets are priced at £49.20 for 2 day passes, or £29.70 for either the Friday or Saturday. To buy tickets, click HERE. All ticket prices include a £1 donation to The Teenage Cancer Trust.