Quartet who seemed to come out of nowhere - in fact, Melbourne, Australia - toward the end of 2008 and now grow increasingly more mahoosive by the month, it seems. Theirs is a hugely radio-friendly style of anthemic and... more info

In-your-face, massive-in-America duo championed by Katy Perry who veer from electro-assisted rap-rock to full-on, boyband pop, singing such inanities as 'Shush girl, shut your lips, do the Helen Keller and talk with your... more info

Tha Doggfather might have spent the last few years concentrating more on daft TV programmes than music, but here he follows up his Wireless performance with tracks from latest album 'Malice In Wonderland' more info

Mighty line-up comprising some of todays finest electronic acts, including LA's experimental hip hop dude Alfred Darlington as Daedelus, who chops up sweet acoustic melodies with avant electronica, Kompakt-signed ambient... more info

More overwrought operatic pop, lusciously OTT arrangements and self-consciously mannered presentation from the consummate showman with the declamatory voice and limitless talent for melody. more info

Hip hop headliner hailing from Washington DC in the shape of Jay Z's Roc Management-signed Wale (read: wah-lay). more info

With Peterson's 'Havana Cultura Remixed' about to drop, Cuban multi-instrumentalist Robert Fonseca leads the entertainment at the Barbican, fusing Latin, afro-jazz and funk with aplomb. Danay, "the Cuban Jill Scott" and... more info

A treat for fans of well crafted combinations of indie and dance, EHH headline with their bleepy, longing-ridden, post-punk pop. Othello Woolf and Phantom (made up of Jack Penate's backing band) also know a thing or two... more info

Mercury prize miss-outs The Invisible headline this War Child event, with deep-throated support from chilly newcomers O.Children and kaleidoscopic beats from becoming Real. more info

The label who gave us Bloc Party, Hot Chip, The Rakes and Florence and the Machine, among others, are hosting a 'lucky dip' showcase so the acts and DJs won't be announced in advance. You'll just have to take the dip. more info