Define "professional".
In my view, the instrument make is only part of it, what's equally important is that the instrument is in good condition and good repair, that you have a good mouthpiece and you have or had a good teacher.
In my view, the instrument make is only part of it, what's equally important is that the instrument is in good condition and good repair, that you have a good mouthpiece and you have or had a good teacher.
