When something is "instantiated", it means that it is being represented in a concrete form, giving it a physical or real presence. It is about bringing an idea, concept, or plan into a tangible and visible state, which can be perceived and experienced by others.

"Inane" is an adjective used to describe something that is very silly, foolish, or lacking in meaning or importance. When you call something or someone "inane," you are expressing that it is not worth taking seriously or has no valuable content.

"Incredulous" is an adjective that describes the feeling of not wanting or being able to believe something because it seems too surprising, extraordinary, or difficult to imagine as true.

"Percussion" means to strike a solid object against another with a degree of force, while "instrument" in this context means a tool or device that produces musical sounds.

"'Tis" is an old contraction of "it is." Note that the apostrophe in front of "'tis" is required because the apostrophe represents the omitted "i" in "it is."

"Musical" means related to music or melodious, tuneful sounds, and "ensemble" means a group of items or people that are viewed as a whole rather than individually.