The Lemon Pipers' "Through with You"

I just listened to an-other compilation album of the Lemon Pipers.  Because I wrote about "Through with You" back in February, I thought I should transcribe the lyrics, and in doing so, I found something else:  the melody (of both the lead and harmony vocals) for "My yellow sun has gone down, has gone down" descends:

(click here for a larger image)