Check out this US Xbox Live advert and you may recognise that the catchy jingle in the background as the song commonly associated with LittleBigPlanet. Seriously...
The song wasn't actually created by Media Molecule - it's a licensed track called 'Get it Together' by a band called 'The Go! Team'. But considering most of us would never had heard it were it not for Sony's cutesy platformer, that distinctive whistle has become synonymous with the PS3-exclusive.
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Microsoft, however, doesn't appear to give a hoot with this ad (spotted by Kotaku).