Musical Instruments for Sale

mental_floss Blog & 8 Odd and Awesome Musical Instruments We've shown you many strange and different musical instruments, but there are always more to be discovered. Here are some that you won't find in your average high school orchestra, unless you want to introduce them to the class yourself! 1. A hydraulophone is an organ powered by water. 2. Originally developed by African slaves in Peru, the cajón is a wooden box used as a percussion instrument. 3. The wooden lur is a Viking wind instrument from the Middle Ages that was used like a trumpet to sound war calls. 4. A friction harp is a harp played not by plucking, but by rubbing (with rosined gloves). Tom Kaufman built his own friction harp of solid aluminum rods. 5. The branching corrugahorn is an experimental instrument made from flexible corrugated pipe, the kind you might find in the pulmonary care ward of a hospital or in a mechanic's shop. 6. The nyckelharpa is a Swedish instrument with 16 strings and 37 keys. 7. 8. The word pyrophone literally means "fire sound."