touch music togather / music trigger for traveling

The device is an interactive design, It is fixed to bamboo or trees , two as a group, sending and receiving infrared, when people walk through the bamboo forest, the infrared ray is cut off, as the background and sound through the trigger circuit the formation of simple notes, according to the number of tourists, visitors to the rhythm of movement is the formation of different music, so that the bamboo become a large musical instrument, and people can play music togather, The tone of music is Angge Long, marimba-based, so that people can easily and interesting to obtain operating experience with the hearing in their traveling.