What did Pablo Picasso introduce in paintings such as Guitar, Sheet Music, and Wine Glass that redefined painting as a space where art and reality, and the forces of high and low, engage with each other? What did this painting style come to be called?

What will be an ideal response?

Answer: In this collage, Picasso includes real objects, such as newspaper clippings and wallpaper, alongside painted motifs. This style became known as Cubism.