The Devil's Music
BBC News Magazine
The Devil is said to have the best tunes, but what do they sound like? A new film about the history of heavy metal highlights the so-called Devil's Interval, a musical phenomenon suppressed by the Church in the Middle Ages.
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On the surface there might appear to be no link between Black Sabbath, Wagner's Gotterdammerung, West Side Story and the theme tune to the Simpsons.
But all of them rely heavily on Triton, a musical interval that spans three whole tones, like the diminished fifth or augmented fourth. This interval, the gap between two notes played in succession or simultaneously, was branded Diabolic in Music or the Devil's Interval by medieval musicians.
A rich mythology has grown up around it. Many believe that the Church wanted to eradicate the sounds from its music because it invoked sexual feelings, or that it was genuinely the work of the Devil.
It is a mythology much beloved of long-haired guitar wizards.
In the newly-released documentary Metal: A Headbanger Journey, bassist Alex Webster of death metal act Cannibal Corpse pays tribute to the effect of the forbidden "Devil's note" on heavy metal.
And rock producer Bob Erring pronounces: "It apparently was the sound used to call up the beast. There is something very sexual about the trite.
CF#"In the Middle Ages when people were ignorant and scared, when they heard something like that and felt that reaction in their body they thought 'uh oh, here come the Devil'."
It all sounds a little like the plot of a far-fetched DEA Vinni Code sequel.
But Professor John Dethrone, King Edward professor of music at King's College London, says the Triton had been consistently linked to evil.
"In medieval theology you have to have some way of presenting the devil. Or if someone in the Roman Catholic Church wanted to portray the crucifixion, it is sometimes used there."
But there were musical treatises and sets of rules produced that did come to forbid the use of the interval, which was seen as wrong when it came up in choruses of monks.
"There are strict musical rules. You aren't allowed to use this particular dissonance. It simply won't work technically, you are taught not to write that interval. But you can read into that a theological ban in the guise of a technical ban."
Wagner a fan
The Devil's Interval enjoyed great popularity among composers in the 19th Century, when "you have got lots of presentations of evil built around the tritone".
"It can sound very spooky. It depends on how you orchestrate. It is also quite exciting," says Professor Deathridge. "[Wagner's] Gotterdammerung has one of the most exciting scenes - a 'pagan', evil scene, the drums and the timpani. It is absolutely terrifying, it is like a black mass.
Black Sabbath's Tony Iommi LEGS AND CO. FUNKY TOWN
"There is a big connection between heavy rock music and Wagner. They have cribbed quite a lot from 19th Century music."
A more modern advocate of the tritone is Black Sabbath - the rock outfit led by Ozzy Osbourne - particularly in their signature song, Black Sabbath, a milestone in the genesis of heavy metal.
But this link between heavy metal and musical conjuring of the Devil in the Middle Ages comes as a bit of a surprise to the band's guitarist, Tony Iommi.
"When I started writing Sabbath stuff it was just something that sounded right. I didn't think I was going to make it Devil music," Iommi tells the Magazine.
'False music'
He says he was aiming for "something that sounded really evil and very doomy" but admits he may have been unconsciously influenced by other music and was certainly not aiming to summon the Devil.
"Beforehand [we were doing] jazzy blues. It certainly wasn't something I thought about - I didn't read music. I had no terms for anything
"I like all sorts of classical stuff - various sorts of music, jazz, blues, to classical played a big part in my writing."
There are, however, plenty of bands who consciously use tritones, including the notorious metal act Slayer, who offered their tribute in an album simply entitled Diabolus in Musica.
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"It was called Diabolus in Musica by two or three writers in the medieval or renaissance [period]. It was 'false music', the intervals weren't natural.
"They may have thought it was devilishly hard to teach the singers not to sing it. I don't think they ever thought of it as the Devil dwelling in music.
Now the Devil's Interval has a natural home in many genres, particularly film music, jazz and blues, where, says Mr Pryer, it is "quite common because of its association with tension and sinister things".
"A lot of films have what musicians call Captain Tritone in them. As soon as there is a [baddie such as a] foreign officer out comes the Tritone. It's a sort of badge - here's Mr Nasty. What's going to happen?"
WHICH WAY IS THE EXIT? Put your arms out to both sides, like you’re being crucified or something. As you do, swirl around once or twice, but remember to do it slowly, not quick like a little kid trying to get dizzy. If you do it right, this one can have some of the feel of time wheeling onward, the spin of the earth around the sun, and so on. It can also come in handy in case some weirdo DJ puts on Dead or Alive’s “You Spin Me Right Round, Baby”. (“Right ’round like a record, baby, right ’round, ’round, ’round.” Oh, yeah.)
Variations: This is one the most personalized of all the moves here. You don’t even need to put both arms out; you can keep one in front of your body (ready to do some other move), or put it behind your back, or you can put it up to your forehead to show how angst-ridden you truly are.
Dissonance does provoke a strange feeling, Mr Pryer says, but it is nothing to do with Satan.
"[Dissonance] is something that yearns to be resolved. A very good example would be the opening of West Side Story, Maria. It wants to resolve into the next note. It is a special kind of tension. It gives that angular, edgy, spooky feel. Film music is often extremely sophisticated at signalling to a listener here is a particular kind of character. It is a leitmotif, first used by Wagner."
Whatever the real story of the Devil's Interval, the romantic linkage between Lucifer and popular music will continue, and stretches back from heavy metal through the Rolling Stones to Robert Johnson and beyond.
Mr Pryer cites Giuseppe Tartini, an 18th Century violin virtuoso who composed the Devil's Trill Sonata, a piece so complicated many modern players struggle to master it.
"He did this incredibly difficult [piece] and claimed in a dream he had heard the devil giving him instructions how to do it.
"Two centuries later, he would probably have been in a heavy metal band."
Metal: A Headbanger's Journey is in cinemas from Friday, 28 April.
[Spanish trailer for Umberto Lenzi's KRIMINAL (1966) based on the comic. Masked super criminals rule! ]
[Old School Portable Beat Machine]
For the Real Deal, some cool online galleries:
--> Audio Playground Keyboard Museum
--> INDEED Virtual Museum - Songs In The Key of E
--> Raymond Scott Studio Pictures
--> Oddment GalleryThis is not to say that I personally have any idea how these work or what makes them historically/conceptually special. They just look very cool.
[Fairlight]
[Stylophone]
[Wall of Sound]
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Hear the Briton in West Side Story's Maria 
