There are many techniques that people make to become morespiritually enlightened. Some of these are meditation, prayer,chanting, yoga, martial arts, fasting, dancing and psychedelics.
Answer:
The piano was invented by Bartolomeo Cristofori (1655-1731) of Italy. Cristofori was unsatisfied by the lack of control that musicians had over the volume level of the harpsichord. He is credited for switching out the plucking mechanism with a hammer to create the modern piano in around the year 1700
A perspective that is wrong and doesn't make sense
I believe it goes to the military. Hope this helps!! :)