Hexatonic Scale with Em and D Triads

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I found a very interesting way to build a hexatonic (or 6-tone) scale using just two adjacent triads, with no overlapping notes or common tones. Here is the diagram of the six tones from low to high, and a diagram showing how the two triads are complementary and how they are interlocked:

Diagram of D and Em Triads complementing each other to form a hexatonic scale

Diagram of D and Em Triads complementing each other to form a hexatonic scale

The dulcimer TAB below the notes is for DAD tuning, and the important thing here is to see the 7 – 5 – 4 of the D, and then the 8 – 6 – 5 of the Em. Each triad adds three essential ingredients to the hexatonic scale: there is no overlap. I’ve been using this scale referenced to Em as the tonic chord, so we have: the notes E (Root) – F# (2) – G (b3) – A (4) – B (5) – D (b7).

So for the great round Hey, Ho, Nobody Home–which does an endless cycle of Em / D / –this scale works wonders going consecutively down or up, and in many patterns that can be sequenced over the repeating chords.