Bob Ludwig

Bob Ludwig (Robert C. Ludwig; born c. 1945) is an American mastering engineer. He has mastered recordings on all the major recording formats for all the major record labels, and on projects by more than 1,300 artists including Led Zeppelin, Queen, Jimi Hendrix, Frank Ocean, Bryan Ferry, Paul McCartney, Nirvana, Bruce Springsteen and Daft Punk, resulting in over 3,000 credits.