Yesterday afternoon i found the single Douwe Wijnstra's synthesizer. Searching for info i learned it is a local production from 1978 pressed by the Noord Nederlandse Grammafoonplaten Maatschappij te Gorredijk. Other productions of Douwe Wijnstra involve a version of the Frysian hymn and as part of "De Sambrinco's". Douwe Wijnstra played marvellous Organ Swing and was the enthousiastic operator of the smallest Radio Station. The selection you are playing is wrapped around Douwe Wijnstra's L.B.C.-tune in not necessarily sense making multi level sequences.