X7FYXFXPUCYJA3PMXYRCYWIZL4RHGQ43BRXUAFNQ6KSQHD4DFNWQC
render_node_and_descendants(child_id, y + parent_height + 50, curr_boundary, curr_boundary + 620*child.ntracks, parent.surface_node)
render_node_and_descendants(child_id, y + parent_height + 50, curr_boundary, curr_boundary + 620*child.ntracks, parent.surface_node, font)