A man wearing glasses is playing a type of instrument.
The man played an instrument for the crowd.
A man could be playing an instrument for any number of people, not necessarily a crowd.
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & of(x4,x5) & n_instrument(x5) & n_type(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_glass(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_crowd(x3) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & for(x2,x3) & n_instrument(x2))