Here is some of my artwork! I would love to have tips on what could be better or changed!

I think your art is really good. Honestly the only thing I think needs improvement is the light source (Which direction the light is coming from) and the heart shape needs improved in the second pic

really nice art nothing i would really change. All i can draw is stick figures XD

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