Four lads from Sheffield who got famous off MySpace and then decided they'd rather be a lounge act.
Fun fact: Their debut album became the fastest-selling in UK chart history without any prior single reaching the top fifteen.
Four lads from Birmingham invented an entire genre mostly because Tony Iommi lost his fingertips at work.
Fun fact: Tony Iommi lost two fingertips in a factory accident and plays guitar with homemade prosthetics.