A webpage explaining and displaying the difference in mastering over the years.
An interesting animated gif from wikipedia showing the difference in mastering over the decades of a beatles track
An interesting blog by Paul Lamere with loudness analysed through a range of music
This is demo of how you’d go about eqing & compressing some elements of a track using a UAD card.To watch/ hear a hi res version use this link instead
minimal recording techniques
Also check out the UAD website which has some excellent videos on using specific plug ins, as well as recording, mixing and mastering music.