They also compiled questions for the M-Net sports quiz programme Going for Gold, as well as for two series of the SABC 3 quiz show Greed, e.tv’s Mahala on e and he was a consultant and researcher for SABC2’s Flinkdink and SABC3’s Weakest Link.
In the wake of the Sharpeville massacre, his declared political commitment was to lose him his position at the SABC.
Jill's work is in various private, corporate, and public collections, including the National Museum of African Art, SANG, Vodacom, SABC, Investec, and Nandos UK.
In 1999, Du Preez was dismissed by the SABC from his position as the executive editor of Special Assignment, an investigative television show, after he objected when a documentary was barred from being shown.
From the outset through to the early 1990s, the state-owned radio and TV media, SABC, restricted their stations from playing certain music by Kramer, Edi Niederlander, Coenie de Villiers and others because of the critical text in the songs by these performers released by Mountain Records.
On 1 May of the same year, coverage was extended to listeners in Soweto via a low power FM transmitter atop the SABC building at Auckland Park.