Woodwinds
Oboe da caccia

The oboe da caccia, also sometimes referred to as an oboe da silva, is a double reed woodwind instrument in the oboe family, pitched a fifth below the oboe and used primarily in the Baroque period of European classical music. It has a curved tube, and in the case of instruments by Eichentopf, a brass bell, unusual for an oboe.
Read more on Wikipedia41 cantatas with oboe da caccia