In a smokey concert stage, a performer addresses the crowd.
A performer in a band is on stage.
The performer doesn't have to be in a band.
exists e1 x1 x2 x3 x4 x5.(n_crowd(x2) & in(e1,x3) & n_stage(x3) & of(x3,x5) & n_concert(x5) & of(x3,x4) & n_smokey(x4) & Theme(e1,x2) & Actor(e1,x1) & v_address(e1) & n_performer(x1))
exists p1 x1 x2.(exists x3.(on(x1,x3) & n_stage(x3)) & in(x1,x2) & n_band(x2) & n_performer(x1))