A person is playing a drum.
Music is being made.
Drums can be played without music being a consequence of that action.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_drum(x2) & n_person(x1))
exists e1 x1.(ne_nam_music(x1) & Theme(e1,x1) & v_make(e1))