The audio can be switched by audio selection, so you can compare the differences in each mix. When you listen to each of them, you can hear the difference in the mixes. In addition, Capitol once again took the initiative to forcefully provide three songs from the album "Revolver," which had not yet been released in the UK, "I'm Only Sleeping," "Dr. Robert," and "And Your Bird Can Sing," resulting in a unique mix that was different from the original UK recordings in both stereo and mono.
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