Box sets and sampler discs made available prior to the 11 April release date have incorrect mono versions of Beatles VI and Rubber Soul. The incorrect mono versions were only released in this set. These "fold-down" mono versions are actually the stereo mixes consolidated into both speakers.
Prior to the April 11 release date, box sets and sampler discs included incorrect mono versions of Beatles VI and Rubber Soul. These flawed mono tracks were only accessible in this compilation, which presented a unique blend of stereo mixes consolidated for both speakers.