สร้างเมโลดี้บน F - G - Em - Am

Opening on IV gives it lift from the first beat, and instead of resolving from V to I it slips through iii to land on vi — a deceptive cadence. Because it never fully resolves, it loops well through a chorus. Em (E, G, B) shares tones with both F and G, so a held melody note across bar three still sits cleanly.

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