To get things started The Afghan Whigs do The Clash (and a bit of Motown while they’re at it)
Frank Carter’s first band Gallows go Grime on The Ruts with Lethal Bizzle
Continuing the theme of doubling up U2 & Green Day unite to save New Orleans
The Superheroes of Hair Metal help The Hulk get off the ground Velvet Revolver by doing the Sex Pistols
Sticking with the Soundtrack angle The Donnas show Gen X the original Generation X
Nothing is more punk than a split single on coloured vinyl with The Ramones on one side. Just ask RHCP
Nouvelle Vague proved The Great Rock And Roll Swindle prophetic by covering The Undertones to sell Volkswagens.