Which bandleader was known as The sentimental gentleman of swing because of his smooth trombone style?
which bandleader was known as the sentimental gentleman of swing because of his smooth trombone style
FreebaseQA-train-18780.P0
trombone
trombone
m.07c6l
music.performance_role.track_performances..music.track_contribution.contributor
m.01l00pg
tommy dorsey