This isn't Alembic related, but I found it a very interesting read about how the music I grew up with was made & how technology evolved that ushered in the era of artificial music.
http://mixonline.com/news/profiles/when-sessions-reigned-supreme-players-studios-la-s-golden-age/366561?nopaging=1 (http://mixonline.com/news/profiles/when-sessions-reigned-supreme-players-studios-la-s-golden-age/366561?nopaging=1)