Keith Tippett has been played on NTS shows including The Pentagon Faceslap, with Square Enough Fire first played on 23 February 2019.

Keith Tippett (born Keith Graham Tippetts on 25 August 1947; died 14 June 2020) was a British jazz pianist, composer, bandleader, and musical educator in the fields of jazz and other improvisational music. Tippett appeared and recorded in many settings, including a duet with Stan Tracey, duets with his wife Julie Tippetts (née Driscoll) as Keith and Julie Tippett, solo performances, and as a bandleader (The Keith Tippett Group, Keith Tippett's Ark, Keith Tippett Septet, Keith Tippett Tapestry Orchestra), and appeared on three…