Who invented it?Johann Christoph Denner invented the clarinet. When was it invented? The clarinet was invented around the 1690's. Where was it invented?The clarinet was invented in Germany. Has it changed at all?The clarinet evolved from an earlier instrument called chalumeau the first single reed instrument. What is it made of?Clarinets are most often made from grenadilla wood . Two famous players of the clarinet.Benny Goodman, The King of Swing,Buddy DeFranco, Greatest Jazz clarinetist. Two famous makers of the clarinet.Buffet Crampon,Henri Selmer