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Ask anyone if they had a good time at Bestival this year and the huge smile on their face says it all. However, Icelandic band Sigur Ros had a bit of a nightmare when their time slot was moved forward, ruining their elaborate stage show.
The group issued an apology to fans who they felt had not seen the full Sigur Ros experience, blaming headliner Stevie Wonder and promising to make up for the experience when they return to the UK for a 2013 tour.
However, Sigur Ros are not the only band who have had to apologise for the quality of their output. From disastrous gigs to rubbish albums and even a case of violence toward fans, musicians have a long and rich history of saying sorry (just ask Elton John, he really struggles with that word).
So, take a look through the case studies gathered here to see just who messed up so badly they just had to put their tail between their legs and apologise.