A pungi or been is the musical instrument played with the nose by snake charmers. The Pungi was improved to form the Shehnai. The word copula originates from the Latin noun for a link or tie that connects two different things. ... A musical instrument is a device constructed or modified with the purpose of making music. ... Snake charmer in Jaipur (India) in 2007 Snake charmer in New Delhi (India) in 2006 Snake charming is the practice of apparently hypnotising a snake by simply playing an instrument. ... For the movie refer to Shehnai (film) The shehnai is an aerophonic instrument which is thought to bring good luck, and as a result, is widely used in North India for marriages and [[processions]. This tube-like instrument gradually widens towards the lower end. ...
by David Courtney, Ph.D. Pungi or Bin is the snake charmer's instrument.
It is more likely that the term "Bin" is a corruption of the Sanskrit "Venu" (i.e., bamboo) which would clearly place this instrument in the class shared by flutes.