My favourite button that doesn't work is The DFA fader [0]. Basically, a tool of the audio engineer to give difficult clients an auditory placebo effect when th

My favourite button that doesn't work is The DFA fader [0]. Basically, a tool of the audio engineer to give difficult clients an auditory placebo effect when they want to 'get it just right'. There is even a paper on its effect [1]. There was the story of a famous record (I can't recall which) where after endless battles in the studio the audio engineer let the artist twiddle an unconnected dial so they felt they tweaked it just right. Maybe using a Rane PI 14 [2]. [0] https://intelligentsoundengineering.wordpress.com/2017/08/15/what-the-f-are-dfa-faders/ https://intelligentsoundengineering.wordpress.com/2017/08/15... [1] http://www.aes.org/e-lib/browse.cfm?elib=18711 http://www.aes.org/e-lib/browse.cfm?elib=18711 [2] http://www.rane.com/pi14.html http://www.rane.com/pi14.html