August 9 marks the start of the Jazz Middelheim festival. In a collab with the festival, cinema Cartoon's presents this documentary on Juul Anthonissen (R.I.P.). Featuring greats like Chat Baker, Keith Jarrett and Charles Mingus. Stuffed with old recordings, exclusive interviews and more. On how one man pinned down the lil' Belgian town of Heis-op-den-Berg on the world map.