Sedje Hémon conceived of a grid-system that corresponded to a notation system that could be read by musicians.

Harmonie, 1964, linocut 65 x 50 cm. Harmonie is the title of the artwork that is undergoing the process of transformation into a score in this image. The linocut Harmonie was made in 1964 while the grid system for showing the score existing within the image was developed between 1958-1965.