Name the piece of art above and it's artist. what media did the artist choose for this piece and why?

The title of the painting is Dem Unbekannten Maler or To The Unknown Painter. The medium used is oil, emulsion, shellac, latex paint, woodcut, and straw. It was The artist is Anselm Keifer who is a German painter, sculptor, photographer and installation artist. He is known for is Neo-expressionism movement art style.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"