This is a excellent version of XTC performing live on the seminal music show, The Grey Whistle Test. Andy Partridge would soon develop crippling stage fright. They wouldn't perform live again until a Letterman appearance several years later, and limited their infrequent appearances thereafter to studios, I recall.
XTC - King For a Day
Lest we forget Milwaukee:
Violent Femmes - Add it Up
What?What's that?! Ya say it ain't roll 'n' roll w/o a xylophone?