What if you could listen to today's charts for the early days of music history? Would you say you wouldn't like "classical" music for that? What if I told you that classical music was the "Pop Charts" of the day? What’d you say?

I’d say that’s pretty cool. It’s not really the same anymore. Though.

Explanation:

earliest

neumes above text

neumes

colored lines

neumes

4-line staff

f, c, or g clef

notes on 5-line staff with clef

mensuration (longas and breves)

time signature (perfect or half circle)

most recent

notes on 5-line staff

modern clefs

modern note values (whole, half, quarter, and so on)

modern time signature

italian words and abbreviations for dynamics and tempo

staccato, slurs, and so on