What Is Remastering? How to Remaster an Old Recording
Remastering has to be the area of audio engineering
the most mysterious, even more so than audio mastering.
Is remastering defined?
What distinguishes it from mastery?
Furthermore, how is a song remastered?
this article with the esteemed mastering engineer.
Adam has remastered records for a number of artists,
The Rolling Stones, Edward Sharpe and the Magnetic Zeros, and REM.