The sources for artist quotes etc. in this article are listed below:
David Sylvian interviewed by Andrea Jones, Juke, 1982
David Sylvian interviewed by Herman van der Horst, OOR, 1999
David Sylvian and Ryuichi Sakamoto, Rock Show (translation posted on nightporter.co.uk), 1981
Front Line, wikipedia Japan quotes NHK-FM Sound Street (thank you to Paul Rymer for drawing my attention to this)
The History of Music, Ryuichi Sakamoto, 1991
Ryuichi Sakamoto memorial issue, ele-king, 2023
David Sylvian, X (formerly twitter), 2023
David Sylvian, Fiona Russell Powell, The Face, 1982
Steve Jansen, X (formerly twitter), 2023
Steve Jansen, sleepyard, 2015
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.