Since the mid-1970s, the valley has been renowned as the place where Plant and guitarist Jimmy Page wrote the rock epic Stairway to Heaven.

BBC: The wild taste of Wales

The bad news (if you're a resentful Xer) is that these boomer-geezers will still be around for quite a while after they retire, forcing you to listen to such "classic rock" fossils as "Stairway to Heaven" another umpteen million times.

FORBES: Buying A Stairway To Heaven

Led Zeppelin will be celebrated for transforming the sound of rock and roll and influencing other artists with blues-infused hits such as Stairway to Heaven.

BBC: Hoffman and Led Zep to be honoured by Kennedy Center