Cosma Concerto. No question. I can hear it in my head exactly how the ideal performance of that piece should sound, but I was never able to attain it. Not that I ever practiced enough to be really good, but now with a full time job and more and more adult life it's unlikely I'll ever quite get it ...

Two main suggestions: 1. Don't. There are already too many of us to make a living. You are quite safe. I wouldn't be so foolish to think I could make money playing euphonium (not many do anyway). I promise this answer was tongue in cheek. :P (Or is it tongue out of mouth?) I wish I had something a ...

I have a very old tuba sitting 8 feet away from me that plays remarkably well in tune in the key of D. Great for playing along with guitarists!

I don't think it was intentional.

Yet another first. :roll:

I'd represent my nickel plated Sonora, but... Who really likes smelly hands?

Two main suggestions:

1. Don't. There are already too many of us to make a living.
2. Sit down with a good euph player and run through some duets. It may help by example, and if not at least you'll make a euphonium player feel wanted.

:'(