On Jul 2, 2007, at 9:58 AM, A-NO-NE Music wrote:

Christopher Smith / 2007/06/30 / 04:07 PM wrote:

A major chord with a suspended 4 and 2 is not that uncommon;

I guess we agree not to agree :-)
Sus 4 and 2 isn't in my book.  It has to be us 4 (add 9).


Well, really, ALL extensions are actually suspensions that we just decided didn't need to resolve. Having the note of resolution present at the same time as the suspension just makes it an added tone (like the 6-5 suspension in Ravel's time turning into a major chord with an added 6th.) The "add9" is a formerly unresolved 9-8 suspension. We also decided that suspensions didn't necessarily need to be prepared by a consonant unison in the previous chord (the true classical suspension)

The sus4 just happened to be one of the last suspensions to have its note of resolution included, and chord nomenclature was getting solidified at that time, so "sus" now means "sus4" exclusively. In modern jazz the 3rd and 4th often show up in the same chord as a late addition to tonal harmony, but because of our stupid system of chord symbols, we have to write "Csus4add3" or "Cadd4" or some such kludge.

Things get very unwieldy when writing music that straddles traditional and modern approaches. The Bb4/2 resolving to Bb IS a very common chord, and calling the C in that chord an "add9" when it is clearly suspended and resolved is not in keeping with the clearest nomenclature, IMO.

However, that being said, I don't think anyone would be confused by the pitch content of either chord name.

Christopher



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