British band Kasabian have labelled their recent appearance on The Late Show With David Letterman as their most terrifying television experience. The rockers found being on the American talk show uncomfortable, claiming everyone had to pander to the host's high maintenance expectations. Guitarist SERGIO PIZZORNO says, "We did the Letterman show. It's like no other TV show 'cos everyone's s**t scared of him. "It's f**king freezing cold in there 'cos they don't want anyone sweating on camera. You're not allowed to be in the corridor when he's in the corridor. "He's like one of those mad f**king sheikhs that you're not allowed to look in the eye."