None of my mates have ever heard of Robots In Disguise, Tame Impala, Massive Attack, Ladyhawke, Mumford & Sons, Frou Frou (I only know of their song 'Let Go' and that was through Zach Braff's film Garden State), The Wombats, Little Boots. Ellie Goulding and Passion Pit; while they hate Muse, Adam and The Ants (only got 'Dog Eat Dog' because of The Kevin Bishop Show), Guillemots (only have 'Kriss Kross' because of ITV2's FM), Kasabian, Kelly Clarkson, and a few hate Paloma Faith and Tim Minchin.
On the flip side; a few of them love the likes of The Prodigy, U2, Miley Cyrus/Hannah Montana, The Beatles, Metro Station, Joe McElderry, Tinie Tempah (the guy who's #1 atm), John Mayer, JLS, Justin Bieber, Diana Vickers, Papa Roach (never heard of them

), YouMeAtSix, 3OH!3, Owl City and the cast of Glee. Whereas I don't.