A note head, a stem and a flag
The answer is Pablo Picasso. The artwork is called, "Three Musicians" which was created in 1921.
They were often seen as an <em>obstacle.</em>
Explanation:
Negative spaces are empty spaces that acquire a sense of volume and form by means of the outline or frame that surrounds them. Negative spaces can be used to suggest form. ... By means of illusion, a sense of depth or 3 dimensions an be achieved on a flat surface.
Two half notes.
Four quarter notes.
Eight eighth notes.
Sixteen sixteenth notes.
Thirty two thirty second notes.
This is all in the 4/4 time usually given in a written score.
Hope this helps.