Wednesday 3 October 2012

Desert Island Discs in the South Pacific

Old interview with Lord Andy from Radio 4's archive of Desert Island Discs.

The Lord's (at that time merely Sir's) music selections are typically diverse - from rock 'n' roller Shostakovich to Bollywood composer AR Rahman - as well as typically populist - Elvis Presley and The Beatles. Only one pick was a musical theatre number but it was a goody: Rodgers and Hammerstein's "Some Enchanted Evening".

Hard to argue with that. But what makes the melody so enchanting? For me, the secret of the song is in one little semi-tone. Let's take the first six notes:

"Some En-chan-ted Eve-ning"

The second of those notes is an F sharp. If you are of a certain musical disposition and knowing that we are in the key of C, you may give a small shudder. F sharp, you see, is foreign to the key of C. It should be an F natural. Play a C chord and stick an F sharp on top of it and it sounds dissonant, wonky, wrong.

So how come this wrongness sounds so right? Well, firstly the F sharp falls on an off-beat - the "en" of "enchanted" - so there isn't a direct clash with the chord underneath. Place that F sharp on an on-beat like the "eve" of "eve-ning" and the whole thing sounds wonky again.

Secondly, try substituting the foreign-sounding F sharp for a "proper" F natural. Go on, I dare you. With just that tiny change the melody feels so different; it's lighter and brighter but, at the same time, a whole lot less enchanting.

The song is from South Pacific. The character singing is Emile de Becque, a romantic (he's French) and exotic (he has half-Polynesian kids) plantation owner with a dark past (he killed a man). In short, he is a man who would definitely sing an F sharp.

Sometimes a semi-tone makes all the difference.

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