I think the first slide (squares) is more fitting for the definition of a "colorful piece of art" and also just looks really cool. Good work dude.
Answer:
Technology came to music with the advent of recordings. ... The possibility of preserving musical performances by recording utterly changed the social and artistic meanings of music. The invention of the tape recorder a half century later made sonorities not only reproducible but also alterable.
Explanation:
A more saturated color has a heavier contrast