Jason Havelock has been played on NTS shows including Kutmah Presents: Sketchbook Radio, with 3. The Explosion first played on 1 February 2023.

Jason Havelock (aka Eric Demarsan), born on October 2, 1938 in Paris, is a French film score composer and musician. After working as arranger for composers Michel Magne then François de Roubaix (including on Le Samouraï) he scored L'Armée des ombres (aka Army of Shadows) in 1969 then Le Cercle rouge (aka The red circle) in 1970, both by director Jean-Pierre Melville. After that, he scored numerous movies for other great directors like Jean-Pierre Mocky, Costa-Gavras or Patrice Leconte. Eric Demarsan also composed many songs, the Pop Symphony album under pseudonym Jason Havelock, as well as some musics for sound and light shows. Since 2000 he works frequently with director Guillaume Nicloux and then Hervé Hadmar