Footnote - 04 w/ Henk-Jelle de Groot faithful to the subject airdate: 12:00 -14:00 - nov 10, 2017 shows: footnote Play set Footnote #4 - Henk-Jelle de Groot In Footnote 4 an in-depth interview with master of sound and founder of Anycolour post-production studio: Henk-Jelle de Groot.