Phil O'Keefe is a multi-instrumentalist, recording engineer/producer, and senior editor of Harmony Central. He served as a staff producer/engineer for Blonde Vinyl records and is the owner and chief engineer of Sound Sanctuary. He has worked with such artists as Voodoo Glow Skulls, Alien Ant Farm, Jules Day, Zak Claxton, Rex Smith, Jeff Fenholt, Craig Goldy, and John McGill, among many others. O'Keefe's articles and reviews have appeared in Electronic Musician, Guitar Player, Keyboard, and EQ magazine. Before moving to Harmony Central in 2005, he moderated the Music Player forums alongside such industry heavyweights as Roger Nichols, Chris Stone, Ed Cherney, George Massenberg, Bill Dooley, and Craig Anderton. Craig Anderton is an internationally recognized authority on music and technology. He has played on, produced, or mastered over 20 major label recordings, did session work in New York in the 1970s on guitar and keyboards, played Carnegie Hall, and more recently, mastered well over a hundred tracks for various artists. His onstage career spans from the 60s to current, EDM-oriented solo performances. As an author, he co-founded Electronic Musician magazine, and has written over 35 books on musical electronics and over a thousand articles. He has also lectured on technology and the arts in 10 countries, 38 U.S. states, and three languages. Craig Anderton is an internationally recognized authority on technology and music. He has toured, played Carnegie Hall, mastered hundreds of tracks, and been involved with dozens of major-label releases as a player, producer, or engineer. He's also written over thirty books (including the seminal Home Recording for Musicians) and thousands of articles, and is the co-founder of Electronic Musician magazine. Known for his ability to demystify complex subjects, Anderton has given seminars on technology and the arts in thirty-eight states, ten countries, and three languages. He lives in Nashville.