A: 6th Song, from the portfolio "Letter and Indices to 24 Songs"

Graphite with blue crayon on paper

Graphite on paper

Black and metallic marker on paper

Blue, green and black crayon on paper

Black marker on paper

Colored and metallic marker on paper

Black and orange marker on paper

Graphite on paper

Graphite on paper

Black marker and black pen on paper

Oil on paper

Black and red marker on paper