The single "De Potpera 1 & 2" by Sjef van Oekel was released in 1976.
Sjef van Oekel is a creation of Dutch artist Wim T. Schippers , played by comedian and singer Dolf Brouwers (1912–1997). The character made his debut in 1972 and gained fame through his own television show, Van Oekel's Discohoek , and various musical releases
