Mastering engineer Eric Boulanger talks about the process of mastering audio for music recordings. Topics include how he got into audio engineering after being a professional violinist, the process of mastering (especially for vinyl), the "loudness wars" (or as Eric prefers, the "loudness plague"), how he started his current facility called The Bakery, stories from mastering such titles as the soundtrack from La La Land and albums by Rufus Wainwright, Diana Krall, and Colbie Calliat, his...