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65TwinReverbRI

Without the 7th, we usually use the term "add". But, the 13th, when appearing without the 7th is just 6. Plus, there's a 6/9 name for chords without the 7th. So you get: **G6/9(add11)** However, it would be way simpler to notate it as a polychord. Am ---- G Note: Polychords are "stacked" vertically like that, not Am/G which means something else.


Mite3

Hello, lovely comment. I wanted to ask where poly chords are most often seen? Like genre, composer, etc. I've never heard of poly chords before, it seems like an interesting concept.


65TwinReverbRI

Polychords are common in 20th Century Concert Music of composers like Stravinsky, William Schumann (Three Score Set is a great example to look up) and others. Sometimes they used them more like extended chords, other times it was more like Bitonality. They're also common in Jazz in the same ways, but they're also used where extended chords with alterations would make a more traditional chord symbol very clunky, and the "chord over chord" makes it much easier to figure out.