I've tried different instrument and different mouthpiece. Still there... This issue is sometimes fixed (without changing my technique) and sometimes is getting much worse like the sound sample I uploaded. The fact is I can't understand which is my fault to fix it... I think it's a mix: air pressure ...

I'll leave here a sound sample of what is happening. This is my today's Dd :

bloke wrote: ↑Wed Jun 29, 2022 8:52 am

Thank you. I'll find some friend with fb to call you. I'll let you know with PM.

bloke wrote: ↑Tue Jun 28, 2022 7:28 pm are you on Facebook, and can you make a Facebook call?

I'm not on facebook or any social media but I use viber and signal if this works...
Otherwise I'll use some friend's facebook to call you.

You could call me. I don’t teach, but I will talk with you for a few minutes, if you’re interested in what I have to say. My phone number can be found on the Facebook business link. Thank you for your answer. Unfortunately is a little unpractical to call you in the US, I'm from Greece. Although I'm ...

I would like to buy a helleberg 120 mouthpiece.

Hello tubists, I'm playing the F tuba some years now and I have develop an issue with my articulation at some specific notes in the middle range. The notes are those who are close to C(above open F) like B,Bd, C# and D, C included. The problem is that when I tongue the notes by releasing my tongue ...