From: "Tim Kecherson" <[EMAIL PROTECTED]>
   
   I have an intersting (although probably common) problem.  My high
   school band just played an arrangement of Grieg's "In the Hall of
   the Mountain King" with a stopped horn entrance.  My hand is large
   enough so that I cannot properly do stopped horn, I need to
   transpose one whole step down instead of one half step.  Is there a
   way to get my bell throat enlarged so I can do this properly, or
   are there any models of horn with a larger throat than a Conn 8D?

What you really need is a teacher -- one who really plays horn -- who
can work with you on stopped horn.  No one has a hand so large or so
small that stopped intonation would not be approximately a semitone.
And if your hand were so large, the horn would be flat rather than
sharp.  You are probably not closing the bell sufficiently or
otherwise not correctly managing the technique.  The horn must be
closed so tightly that there is significant back pressure when you
blow.  If you have access to a brass stopping mute, practice first
with that and then make you hand do the same thing the stopping mute
does.  If you're really dedicated you could buy one on the net -- a
stopping mute is not very expensive and is something you can use for
years.
   
   Also, I seem to be allergic to silver, as when I play I get green
   residue on the outside of my right hand.  What can I do for this?

Why do you think this is an allergy?  And why do you think there is
any silver in your bell?  If you stick your hand in mud and it gets
muddy, does that mean you are allergic to mud?

Green is a typical color of brass (actually copper) oxides.  See
http://chemistry.about.com/cs/demonstrations/a/aa022204a.htm

Your bell is simply tarnished.  Some people have wetter and more
acidic sweat that will enhance tarnishing of the metal.  It is
generally harmless to you, and not quickly harmful to the horn (unless
a historical or extremely valuable instrument).  If you can obtain a
chamois (a soft leather wiping cloth) and wipe the bell frequently, at
least each time you put the horn away, that may help.  Other than
that, the only guaranteed is an expensive (re)laquering of the bell.

If the bell already has a buildup of visible tarnish and crud from a
previous user, a one-time gentle treatment with brass polish will
probably reduce the problem, although the bell may slowly tarnish
again.

But probably this isn't something you need to worry about at all.
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