String orchestra and conductor in spotlight surrounded by darkness.
The rock band in the dark theatre.
Darkness implies the total lack of all light while dark is a subjective description of how little light there is.
exists e2 e1 x1 x2 x3 x4 x5.(Actor(e2,x5) & n_darkness(x5) & Theme(e2,x1) & v_surround(e2) & subset_of(x3,x1) & in(x3,x4) & n_spotlight(x4) & n_conductor(x3) & subset_of(x2,x1) & n_orchestra(x2) & Actor(e1,x2) & v_string(e1))
exists s1 x1 x2 x3.(n_theatre(x3) & a_dark(s1) & Theme(s1,x3) & n_band(x1) & of(x1,x2) & n_rock(x2) & a_topic(x1) & in(x1,x3))