![]() ![]() Instead, it sounds very dissonant and jarring. But a CMaj7♭9 chord (unavailable tension) no longer sounds ‘happy’ or ‘calm’.Similarly, a CMaj13#11 (all available tensions) also retains the ‘happy’ and ‘calm’ sound of a standard CMaj7 chord.A CMaj9 chord (available tension) still retains the same sound or feel as the CMaj7 chord.A CMaj7 chord sounds ‘happy’ and ‘calm’.It is believed that an available tension complements the sound or feel or consonance of the 7th chord. ( There are also dim7 and Aug7 chords but these work a little bit differently).Īnd each 7th chord has a particular feel or sound. What makes Available Tensions ‘available’? ![]() (Both ‘unavailable tension’ and ‘avoid note’ relate to notes that create a dissonant interval with one of the chord tones (which is why I use them synonymously), but ‘unavailable tensions’ are in the context of chords while ‘avoid notes’ are in the context of scales). All the other notes are ‘available tensions’, these are coloured green. Notea that make up 9th and 11th chords plus#The guide tones (3rd & 7th) plus one semitone are called ‘avoid notes’, these are coloured red.So you don’t want to clash with the more important notes (3rd & 7th), but you can clash with the less important notes in a Dominant chord (root and 5th).īelow is a table which lists a number of different dominant chord types and their respective available tensions (coloured Green). This is because the 3rd and 7th are Guide Tones and are thus more harmonically important. With dominant chords, you are allowed to create a ♭9 interval against the root and 5th but NOT against the 3rd and 7th. They are already considered quite dissonant because of that tritone interval between the 3rd and 7th. Dominant Chordsĭominant chords are a bit different. Using the above rules you can discover the ‘available tensions’ of any non-dominant chord. All the other notes are also classified as ‘avoid notes’, and coloured red.The chord tones plus two semitones are called ‘available tensions’, these are coloured green.The chord tones plus one semitone are called ‘avoid notes’, these are coloured red.Chord tones make up the chord, these are coloured blue.Below is a table which lists a number of different non-dominant chord types and their respective available tensions (coloured Green). For example, a CMaj7♭9 chord exists in theory, but you will never find it in practice because a ♭9 is not an available tension over a Maj7 chord. The Maj7 has available tensions of 9, #11, 13.įirst let’s deal with all chords except for Dominant chords. So again, while in theory all tensions exist on all chord types, in practice only ‘available tensions’ are used. More specifically, an unavailable tension is a note that creates a ♭9 interval with a chord tone. Unavailable tensions – are tensions that conflict with the consonance/sound/feel of the chord.Available tensions – are tensions that complement the consonance/sound/feel of the chord.So there are two types of tensions: available and unavailable. ![]() (Guide Tones and Avoid Notes will be discussed in more detail in future lessons). Guide Tones are the most harmonically important notes because they establish the quality of the chord.Īvoid Notes are notes that cause a dissonant interval with one of the chord tones.
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