A: saxophones were invented in the 1840s became popular for jazz and band music and have solos in some classical pieces.

B: Saxophones were used in military bands in the past, but they have largely vanished from performances today because they are so loud.

C: saxophones are uncommon in orchestras for two reasons, their relatively recent invention and their conspicuous sound

D: Saxophone combine features of woodwind and brass instruments, so conductors have difficulty knowing which section to put them in