The Modal Approach by Tom Colohue
Part Two: The PaperworkMode Names Last time, we considered the past of modes, from Greek to Gregorian. There were a lot of names passed around then, but you'll likely be very glad to hear that we're not going to be messing around with High Mixolydian and Hypophrygian. We're going to be dealing with the seven modern modes; established by the amalgamation of the previous modes. The names of the modes that we will be studying are:
Okay? Good. All modal formulae are based on this formula. We'll stick with C as our default tonal centre. Now, to show a change in these notes, you have two possible signs. b' means flat', which tells you that the note in question is half a tone lower. #' means sharp', which tells you that the note in question is half a tone higher. For example, #5' would mean a sharpened fifth. In this case, that would be G#. A number that does not contain either of these symbols is said to be natural'. The Ionian mode contains the same notes as the major scale, but it is simply used in a modal context to distinguish it. Since the tonal centre here would be the same as the major scale, this mode is extremely difficult to distinguish. The formula is, as expected:
1 2 3 4 5 6 7 8 C D E F G A B C
There is, in fact, a distinguishing note here that separates the Ionian mode from all of the others, which can be taken advantage of in order to strengthen the modal sound. The natural seventh can be used to this end to differentiate between the Ionian mode and the Mixolydian, while the natural fourth separates Ionian from Lydian. The Dorian mode differs from the major scale in two places:
1 2 3 4 5 6 7 8 C D E F G A B C
While the flat third keeps the Dorian mode away from the mix Lydian mode, it is the natural sixth that truly characterises this mode. The Aeolian mode, containing the same notes as the natural minor scale, has a much stronger pull for the ears of the listener, and the sixth in Dorian is the difference between them. The Phrygian mode contains two further flats on top of the two added by the Dorian mode:
1 2 b3 4 5 6 b7 8 C D Eb F G A Bb C
As already mentioned, the Aeolian mode has a very strong pull, and the Phrygian mode contains only one note that separates it. This would be the very distinctive flat second that can be found in only two modes. The other, Locrian, also contains a flat fifth, making the natural fifth very important to the use of the Phrygian mode. The Lydian mode houses the highest pitched intervals:
1 b2 b3 4 5 b6 b7 8 C Db Eb F G Ab Bb C
Since there is no mode higher than this one, there is only one note needed to truly deviate from sharing space with any of the other modes. The Ionian mode contains only one difference in interval, which would be Lydian's sharp fourth. The Mixolydian mode once again contains only one deviation from the Ionian mode:
1 2 3 #4 5 6 7 8 C D E F# G A B C
Apart from being the reason that the Ionian's natural seventh is so distinctive, the Mixolydian's flat seventh is also the defining note of the mode. On the lower end, the Dorian mode contains a singular difference in interval, that being a flat third, so the natural third is another defining note when it comes to the Mixolydian mode. The Aeolian mode contains all of the same notes as the natural minor scale. However, it is once again required to be played in a modal context in order to separate it from it's peer scale:
1 2 3 4 5 6 b7 8 C D E F G A Bb C
The flat sixth is an important characteristic here. It is this interval that shows the difference between the Aeolian mode and the Dorian mode, which contains a natural sixth. Another interval that displays the character of the Aeolian mode is the natural second, which keeps Aeolian one half tone higher than the Phrygian mode. Finally, the Locrian mode has the lowest collection of intervals compared to the major scale and all of the other modes:
1 2 b3 4 5 b6 b7 8 C D Eb F G Ab Bb C
With no modes lower, Locrian is another mode that requires only one defining interval. The tritone, or flat fifth is, by nature, the most dissonant and instable interval available for use in modern music. This is the cause of most difficulties when attempting to use the Locrian mode. This leaves us with the following modal formulae, in descending order.
1 b2 b3 4 b5 b6 b7 8 C Db Eb F Gb Ab Bb C
There are other methods by which you can work out your modes, without using the formulae. Unfortunately, those particular methods cause more problems than good. Personally, I prefer the formulaic approach. This is music theory after all. Nothing theoretical is all that simple. The Modal Note There is no singular note that defines a mode, but there are some intervals that set each mode apart from the others. When it comes to suggestive play and modal progressions, these particular notes will be not only useful but essential in forming the modal strategy behind your plan. In some cases, multiple notes are defining, but sometimes one is simply definitive. For the Ionian mode, the modal note is the natural seventh. Also important is the natural fourth. For the Dorian mode, the modal note is the natural sixth. Also important is the flat third. For the Phrygian mode, the modal note is the flat second. Also important is the natural fifth. For the Lydian mode, the modal note is the sharp fourth. For the Mixolydian mode, the modal note is the flat seventh. Also important is the natural third. For the Aeolian mode, the modal note is the flat sixth. Also important is the natural second. For the Locrian mode, the modal note is the flat fifth. Major/Minor In Modes One common misconception is that modes can be major or minor. Sadly, this one isn't true, and is just another way that people have attempted to classify something that they don't know into a little box that they're familiar with. It's a lot like people are often classified into stereotypes. Unfortunately, modes don't fit these characteristics. They don't fit the rational tonal structure because they're modal - they're something completely different. The intervals of some modes are higher than the others, and some modes contain the notes of the major and minor scale, but that does not make them major or minor because major and minor is tonal. Playing the notes of C Dorian over C minor does not mean that you're playing in C Dorian. You're just playing the notes of C Dorian over C minor. If you play well and harness the modal notes, you can do suggestive play, which will be covered next week, but you're still tonal. In order to play modally, you have to dedicate the attempt. The Major Scale Vs The Ionian Mode This is an area where a lot of studies into modes becomes unstuck. How does the Ionian mode differ from the major scale when they contain the same notes are they are also constructed around the exact same tonal centre. The answer, once again, comes back to tonal vs. modal. With the Ionian mode in particular, modal play can be difficult to establish, and even more so to maintain. It is not, however, impossible. If you use the strength of notes such as the natural seventh and the natural fourth in your progressions, the existing difference does begin to make itself known. Unfortunately, the ears of the listener will also be drawn towards the major scale, simply because they've heard it much more often. Sometimes, you just have to let it go. Other times, it's really worth the effort. I know that, this time, it's been mostly formulae, specific notes and little focus on actually using the information, but I assure you that all of this is necessary facts needed to bring your knowledge of modes together in preparation for what comes next. Next week, it will be all about suggestive play, note stability and the potential for modes to be used in a tonal capacity. Though difficult, weak and flighty, there are always options available. For this week though, we're all about wrapped up with the paperwork. For homework, it might be worth using the formula that we've learned today to work out the modes of other tonal centres. For example, what are the notes of Gb Lydian, or A# Locrian? What is the modal note of E Aeolian? There is plenty of extra study that you can do to develop your understanding of the facts before you. For me though, I must bid you a fond goodbye. I look forward to seeing you all next week to get into the meat of the subject. Tom Colohue Tom Colohue is a writer from Blackpool, England. Though he specialises in Fiction, he also writes music theory articles, and new media articles based primarily on the internet. On occasion, these also intermingle. He is well recognised by numerous critics and analysts for his integrative descriptive work and his cynical textual mannerisms. For more information, Tom Colohue keeps a Facebook Fan Page, which contains updates from new articles and his personal blog, Mental Streaming. This page can be found via this link.
1 2 3 #4 5 6 7 8 - Lydian 1 2 3 4 5 6 7 8 - Ionian 1 2 3 4 5 6 b7 8 - Mixolydian 1 2 b3 4 5 6 b7 8 - Dorian 1 2 b3 4 5 b6 b7 8 - Aeolian 1 b2 b3 4 5 b6 b7 8 - Phrygian 1 b2 b3 4 b5 b6 b7 8 - Locrian
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