Tremolos on bass clarinet

Pitch/interval
Listen
D2/minor 3rd-major 3rd
D2/perfect 4th-diminished 5th
D2/perfect 5th-minor 6th
C3/minor 3rd-major 3rd
F3/minor 3rd
F3/major 3rd
F3/perfect 4th
Eb4/major 3rd-perfect 4th