If you are looking for solo material try Mozart Concerto in C major, Schumann's Three Romances (Drei Romanzen), Telemann's Sonata in a minor, Mendelssohn's On the Wing of Song, or Marcello's Concerto...
an oboe has a double reed that they put in their mouth
take the reed out and the metal piece off. Then hand wash the mouth piece using dawn and water. Don't stick it in the dishwasher...
Just a mouthpiece. Or you could call in a resanator (because it resonates)~ Players of brass instruments globally call it a mouth piece
it provides the sound due to the vibration of the lips when the player blows into the tubular resonator.