A morphing loop whereby I begin with 'Sunday, Bloody Sunday.' It then transforms into 'All Along the Watchtower' and finally crescendos with the guitar solo to 'Stairway to Heaven.' This one's a crowd pleaser!
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https://www.youtube.com/watch?v=IaHKsbBl29c
Note: I forgot to mention, why the circle of FIFTHS? Well, you count 5 from each key to get to the next. Start with C and think C, D, E, F, G (1, 2, 3, 4, 5.) So G is your next key. Do the same with G. G A B C D (count: 1, 2, 3, 4, 5) and so on. When going counterclockwise through the flat keys, count backwards down the alphabet: C B A G F (1, 2, 3, 4, 5) then, as you progress, add the flat name to the remaining keys: F E D C Bb (5, 4, 3, 2, 1) Then, Bb A G F E and add the flat so you get Eb and so on. In the sharp keys, stop at F# and in the flat keys, stop at Gb.
I had to delete the last version of this to amplify the sound a bit. This describes what Enharmonic Tones are, an understanding of which, helps to round off a further understanding of the infamous Circle of 5ths.
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https://www.youtube.com/watch?v=o1uHLC1ifK4
The apposition of opposites is ubiquitous in music and an accomplished composer can use opposition in order to create something of interest and fascination for the listener's ear.
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https://www.youtube.com/watch?v=rlQ7B1hSsfc