Music

Middle C is so called because it is the only of the eight C keys on the piano keyboard that is located in the center of the keyboard. In musical notation, that note is also located in between the bass and treble clefs staves.

To convert sound waves into mechanical waves

Middle C sits in the middle of the grand staff. It is usually depicted on the treble clef staff but can also be written on the bass staff.

studies music in its cultural context

That would be the "alto clef" or "C clef". See link below.

4/4

for me it was 3.5

Double barline

The quarter rest has a duration of one quarter of a whole rest, usually one rest.

The amplitude.

The amplitude.

The amplitude.

The amplitude.

all 4

Alto clef

Yeah, you forgot to list the examples.

🎵 then the 🎶 filled in & then the one that isnt filled in

what note is this I need to know right now