Shawm
Shawm or Gyaling (Tib. རྒྱ་གླིང་, Gyaling, Wyl. rgya gling) - a traditional woodwind instrument used in Tibet resembling an oboe. It originates from China, which is reflected in its name, with Gya refering to China. It is a double reed instrument and it requires a circular breathing technique to play, which brings forth a linear sound, even while the musician inhales.
Out of the four enlightened activities, the shawm is related to enriching.