use 1 & 2 for the f and octave rotors use left and right arrows to change slide positions and up and down arrows to change partials space to play
the staff shows what notes are playable with what combination of valves, and the notes on the right are what can be played in your current position. the blue trombone shows the airflow. this is not a bass trombone, the second valve is an octave not Gb. and it has a double slide that, unlike a contrabass trombone, is activated by the octave valve simulated range B♮-1 to B♭4 lowest note is triple pedal B♮at ~15 hz