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I ask a noted piano player about the key of B and why so many use that dumb key signature, He said "It's due to the fact that it's more pleasing to the ears"
I said I need a better reason than that.
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Now, I don't think I'm an authority on all of this, but I've run into this situation lots of times.
I know alot of you guys roll your eyes at the piano players. Sometimes I do too. But they do have a point, on occasion

Duke Ellington always confused interviewers who referred to him as a "piano player" by telling them that the Orchestra was his instrument. His wizardly command of the orchestra voicings changed 20th century music forever.
Part of that command came from an acute knowledge of registers. And, of course, as a composer, Duke used the piano to compose upon partly because it reflected the tremendous range of the sum total of the instruments in his orchestra (and beyond).
Duke talked frequently about the "nine registers of the piano". I'm not sure if this was an original conception of his, but he certainly demonstrated it more than anyone.
Basically, the thought was that the different "zones" on the piano produce different timbral nuances. In some instances, it was as simple as deciding how low a phrase/chord voicing could be pitched before it got muddy. In more complex examples, it involving pitting one "zone" against another for the proper effect.
Anyone who has played improvisational
piano understands that there is a "zone" for bass notes (above which, they sound dumb) and yet another "zone" for chords. Duke could walk on the razor edge of the lower extremity of those zones, with dense block chords, and produce the required effect. Some of the dissonance was introduced and amplified by the depth of the voicing.
These concepts were passed along to the horn sections of his orchestra through his writings. (Dig the sax sections doing drop block voicings, and other dissonant diminished scale movements!)
The thing about that is, if you're not extremely experienced at it, you can get too deep in the keys and end up in the mud. Someone used to playing a grand piano might be more inclined to walk the lower edge
of the zone and get away with it, partly because of the clarity of the instrument. I know I have had it happen to me, while playing an upright. I go off the end of the pier, and into the mud, doing things that would sound fantastic on my grand at home. That's my fault. It's a subtlety of the instrument, and a lesson I've learned.
Regarding the choosing of keys, I've seen it demonstrated to me how moving a tune from C major to Db major can make it come alive. Seems silly, but it's true... and I'm speaking of instrumental music too - not adjusting for singers.
I've learned alot from guys who see the "big picture". It's a deep well.
Anyone craving an example of Duke at his pianistic and harmonically-groundbreaking peak should check out his "Piano Reflections" cd which includes the Blanton/Ellington duets, as well as examples of concepts he used which were way, way ahead of their time. (e.g. Phrygian harmonies on "Melancholia", etc)
-John
<font size=1>Gotta tune this thing - gimmee an M, would ya ?
<FONT SIZE=1 COLOR="#8e236b"><p align=CENTER>[This message was edited by John Steele on 22 September 2000 at 10:03 AM.]</p></FONT>