Sylvia (Focus song) on the "Old Grey Whistle Test", along with a number of UK gigs in late 1972, has been crediting with exposing the band and helping the single reach number 4 in the UK Singles Chart. The programme's presenter, Bob Harris, is quoted as saying that the band's appearance was so well received by the audience that the pressing plant for the single was overwhelmed and only produced copies of "Sylvia" for the following week to cater for the demand. Dave Thompson, writing for AllMusic, said that aside from the studio recording, the band's best version of the song was the
Test the Nation could play along using interactive television, log onto the BBC website, or just use a pen and paper to keep score. The first show, in May 2002, was an IQ test and the six groups of 50 studio participants included blondes, brunettes, teachers and students. They were pitted against a group of 10 celebrities including "EastEnders" star Adam Woodyatt, pop music presenter Fearne Cotton, Olympic athlete Jonathan Edwards and former "Sunday Times" editor and broadcaster Andrew Neil. The teachers came out on top. The last IQ test in the UK was shown on 27 August 2007, when the studio groups