Four piece band practicing before the nightclub opens.
The band is playing Louie Louie
A band practicing could be playing any song or music not necessarily Louie Louie.
exists e1 x1 x2 x3.(n_nightclub(x3) & Actor(e1,x1) & v_open(e1) & before(x1,x3) & n_band(x1) & Time(x1,x2) & n_practicing(x2) & n_piece(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(ne_per_louie(x2) & (x2 = x3) & ne_per_louie(x3) & n_band(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))