From Wikipedia: "The oboe is a type of double reed woodwind instrument. Oboes are usually made of wood, but may also be made of synthetic materials, such as plastic, resin or hybrid composites.
the oboe is commonly used as orchestral or solo instrument in symphony orchestras, concert bands and chamber ensembles. The oboe is especially used in classical music, chamber music, film music, some genres of folk music, and is occasionally heard in jazz, rock, pop, and popular music. The oboe is widely recognized as the instrument that tunes the orchestra with its distinctive 'A'"