The Who are one of British rock n roll's best known bands with hits such as 'Pinball Wizard'.

At a concert in one of London's most famous venues, Ronnie Scott's jazz club, the band's founders Roger Daltrey and Pete Townshend performed an acoustic concert to announce a 50th anniversary tour.

Daltrey was quoted beforehand as calling the tour "the beginning of the long goodbye".

SOUNDBITE, Roger Daltrey, band member, saying:

"It just has to be really. We can't go on touring forever, but we don't know how long we will go on tour. It could be open ended kind of thing, but it will have a finality to it. We'll stop touring, I'm sure, before we stop playing. "It just has to be really. We can't go on touring forever, but we don't know how long we will go on tour. It could be open ended kind of thing, but it will have a finality to it. We'll stop touring, I'm sure, before we stop playing. But it's just like Eric Clapton just said - it's the grind of the road. It's incredi