Bartok’s primary instrument was the piano
Since you didn't include the picture i could be wrong but the most famous 'study of a woman's back' i know of is matisse.
Answer: I think it would be pretty hard if you are just starting out
Explanation:
He painted the Sistine Chapel.
Hope this helps!!
There are a few composers who are associated with this style of music: Carl Friedrich Abel, both of Bach's eldest sons, Johann Friedrich Reichardt, etc.