This was written and performed by a band known as 'The Zombies.' The lead singer was known for his breathy, (and probably sexy to the girls) voice. It's almost a hippie anthem.
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https://www.youtube.com/watch?v=SYj4uEb19IQ
Just a quick look at what's up ahead in this next level of Music Theory. This is what happens when Temperament allows for the various keys to interact with one another.
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https://www.youtube.com/watch?v=v4ltKqG6MGY