https://www.absolutemusic.co.uk/community/entries/206-digital-vs-analogue-mixing
http://www.audiomasterclass.com/newsletter/an-inline-mixing-console-what-s-that
http://www.dilettantesdictionary.org/index.php?search=1&searchtxt=split%20console
https://en.wikipedia.org/wiki/Reel-to-reel_audio_tape_recording
https://en.wikipedia.org/wiki/LP_record
http://www.factmag.com/2013/09/24/the-pros-and-cons-of-vinyl-cd-cassette-and-digital-in-2013-and-how-to-get-started-releasing-them/3/
https://whatis.techtarget.com/definition/DAT-Digital-Audio-Tape
https://en.wikipedia.org/wiki/Compact_disc