The sources for artist quotes in this article are listed below:
Winter Magic: David Sylvian On Collaborating With Holger Czukay, The Quietus, 2018
David Toop collection, British Library, 1986
David Sylvian: To Blow the Heart Wide Open, Nenad Georgievski, All About Jazz, 2010
Holger Czukay interviewed by Kek-W, FACT magazine, 2009
David Toop collection, British Library, 1989
An Interview with David Sylvian: On improvisation, sonic exploration and Holger Czukay, Michael Bonner, Uncut online, 2018
The work of the original authors and publishers is gratefully acknowledged and excerpts are reproduced on this site under allowances for fair use in copyright law.