Hi guys. Just wondering if anybody caught the Kaiser Chiefs Electric Proms gig on BBC not long ago? Fantastic gig with so many different arrangements of their hits. But, what I'm really interested in is one instrument in the orchestra - it was kind of a trombone, bass trombone, valved, bent to rest of the floor thing. It was absolutely huge and made a fantastic sound. Has anybody got any idea what that is? I've never seen anything like it before.