If you think the only difference between the mono and stereo recordings of the Beatles’ music is in the number of channels, these videos will be an ear-opener. Even if you’ve heard these songs hundreds of times (as many of us have) you may never have noticed that such marked differences exist between mono and stereo versions–differences in mixing, use of effects and even vocal performances.
Which do you consider to be the definitive versions?
Every Moment Has A Song 