And, oh, the melody lines are the same in the third verse as in verses one and two, but the chords change from minors and major 7ths (or 9ths) to straight major key chords, thus making the tune sound different. Again, applying the "less is more" rule, wouldn't you just use the same chords every time you play the same melody?

(Of course, I realize that it is the harmony, not the melody, that changes within this song. But that's where chord variation is born.)

Genie