Untitled (layout for duration of "Silberne Frequenz" in Münster, left page); Untitled (notes on duration of "Silberne Frequenz" in Münster, right page)

Graphite and colored pencil on paper

Colored crayons on paper

Black crayon on paper

Ink on paper

Graphite on paper

Charcoal, watercolor and black ink on cream laid paper

Black crayon and black ink on paper

Black marker on paper

Graphite on paper

Graphite on off-white wove paper

Black marker on paper

Colored marker on paper