Instrument
This is: durablegood, good, tradable
Instrument Maker
makes instrument from 
work, 
wood, 
clay, 
copper
Orchestra
uses instrument to make 
music, 
hangout
2 terrains are built with instrument
Commodity info
Weighs 5
3% is
lost every year
Serves 100k people a year
Satisfies 9% of a city's durable goods needs a year