The Old Grey Whistle Test 1973, the show changed to an entirely live format. On 23 February 2018, the BBC broadcast a special programme, hosted by Bob Harris, to mark the 30 years since the legendary series was last broadcast. This live studio show featured music, special guests and rare archive footage. It featured performances from Peter Frampton, Richard Thompson, Albert Lee and others. Bob Harris chatted to Whistle Test alumni, including Dave Stewart, Joan Armatrading, Ian Anderson, Chris Difford and Kiki Dee, as well as fan Danny Baker. The programme hosted many seminal acts of the era, including the first British TV performance of
The Alan Bown Set when Roden left the band. Robert Palmer joined and the vocals were re-recorded by him, before the album's UK release, although the Roden vocals were issued in the US (and has never been reissued). The band appeared on BBC TVs "Disco Two" (which became The Old Grey Whistle Test). In 1970 the band changed labels yet again, this time to Island Records. They recorded the album "Listen", but Palmer promptly left, being replaced by Gordon Neville, who re-recorded the vocals before the album was eventually released. The single "Pyramid" was released before Andy Brown replaced Haldane and Mel Collins joined