When a harpsichordist depresses a key, a simple mechanism causes a to a string.

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

i believe the correct answer is: must sculpture be beautiful to be considered art?

the aesthetics represents the exploring of beauty and taste of nature in art, with the creation and appreciation of beauty. having that in mind, i believe the appropriate aesthetic question you could ask about gianlorenzo bernini’s sculpture david is “must sculpture be beautiful to be considered art? ”.