TV broadcast recorded live at KQED Studios, San Francisco, California, April 29, 1970.br br David Gilmour - guitar, vocals.br Richard Wright - keyboards, vocals.br Roger Waters - bass, vocals, percussion.br Nick Mason - drums, percussion.br br Atom heart mother.br Cymbaline.br Grandchester Meadows.br Green is the colour.br Careful with that axe, Eugene.br Set the controls for the heart of the sun.