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
Rick Wakeman on the BBC television show, "The Old Grey Whistle Test". Much of the television audience that night planned to watch "Blue Movie", a controversial film by Andy Warhol, but it was temporarily banned from being broadcast. Wakeman explained: "It seems most of them, rather than watch repeats, switched over to "Whistle Test" and saw my preview of "Henry" ... and suddenly it seemed as if the whole country had discovered my music ... it was a tremendous break." Following its release in January 1973, the album reached No. 7 in the UK and No. 30 in the US. "Time" named