http://www.youtube.com/watch?v=jX3iLfcMDCw
http://makeyourowntaste.wordpress.com/2013/02/25/ten-classics-from-the-dawn-of-ambient-music/
http://monoskop.org/log/?p=10535
http://createdigitalmusic.com/2014/01/reconnect-electronic-musics-revolutionary-roots-videos-images-ctm/
http://www.youtube.com/watch?v=6D-uNVWe3e8
http://www.youtube.com/watch?v=QByS2UdrTt8#t=10