Originally Posted By: ZeroZero

I am still puzzled by why the upper extension of a C major chord would often be considered as having a #11.

It is unusual to find a #11 chord "by itself" for a sustained time. It strongly wants to move, usually to a IV chord. As such, you would often find this chord in the fourth, eighth etc. measure of a phrase = a transitional chord. It's a very odd tune where you get to land on this and blow over it for awhile. So, I don't know who said this is "often" an extension for a straight major chord, but I disagree. Even in Brazilian music, where #11 is used a lot, it still isn't "often". Minor point, I know...


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