What were cubist artists trying to achieve?

The movement was pioneered by Pablo Picasso and Georges Braque, joined by Jean Metzinger, Albert Gleizes, Robert Delaunay, Henri Le Fauconnier, and Fernand Léger. One primary influence that led to Cubism was the representation of three-dimensional form in the late works of Paul Cézanne.

They wanted to see art in many others ways then the same stuff, i hope this helps!

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