Answer:
Whereas the oboe is the soprano instrument of the oboe family, the cor anglais is generally regarded as the alto member of the family, and the oboe d'amore—pitched between the two in the key of A—as the mezzo-soprano member.Developed: about 1720 from the oboe da cacciaHornbostel–Sachs classification: 422.112-71; ...Classification: ; ;