Music, audio, tubes, hi-fi, stereo, vinyl, CDs, hi-res, SACDs, video, and the mastering of Steve Hoffman! In an audiophile-minded undertaking, The Beatles' acclaimed mono albums were mastered in 2014 for vinyl from quarter-inch master tapes at Abbey Road Studios by GRAMMY®-winning engineer Sean Magee and GRAMMY®-winning mastering supervisor Steve Berkowitz without using any digital technology. The Beatles in Mono - 2025 vinyl reissue - Steve Hoffman Music Forums