What is the B flat major scale trumpet?
B flat is played by pressing down the first valve (the one closest to the mouthpiece). Buzz as low a note as possible while holding down the first valve. It is highly unlikely you will be too low, as low B flat is the lowest note playable on a trumpet with only the first valve.
Why is trumpet B flat?
The most common trumpet is a B flat trumpet, which means when you play a C you will hear a Bb. ... So, this means that if a trumpet player and a pianist want to play B flat concert scale together, the pianist will start on their B flat key, and the trumpet player will start on C, since C sounds a B flat.