Malcolm Moore has done extensive research into guitar pickups.
Guitar Preamp Tone Explained by Phil Taylor For images and entire article: http://www.effectrode.com/blackbird-vacuum-tube-preamp/guitar-preamp-tone-explained/ During the research...
Mark Devlin | Mind Control and Magick In The Corporate Music Industry
https://www.youtube.com/watch?v=fUyx5gpvh0M