It's been a long time since I played trumpet, but aren't those incorrect? On a regular Bb trumpet, this is the D (major) scale, so D should be 1-3 unless it's

It's been a long time since I played trumpet, but aren't those incorrect? On a regular Bb trumpet, this is the D (major) scale, so D should be 1-3 unless it's in the second octave (in which case this sequence is still wrong). Looks like ChatBot ain't gonna take our musical jerbs anytime soon!