Mona Lisa is a good and internationally-recognised famous painting which I know of.
they worship cats like Ankha
1)Initials of chapters or paragraphs
2)Paintings on the margin
3)Borders around the text
If people were too poor to own instruments, most people could use buckets as drums , glass jugs to make beats , their hands and feet to also make beats , and use their voices to sing. I tried my best , hope this helped!