"The painting One: Number 31, done in 1950, was the starting point for Pollock coming to terms with his materials and using them to create a new concept of painting."True or false?

It's TRUE

Explanation:

This new concept of painting is called action painting. The mark of the work is the freedom of improvisation, the spontaneous gesture, the expression of an individual personality. This concept address that the artist must be part of the painting, and should be stand over the canvas, and throw the ink, creating shapes, models, geometrical shapes and so on. It's an improvisation technique in essence.

12-bar blues chorus = a a b