A bunch of young adults playing instruments.
Sounds are coming from the instruments being played.
Young adults playing instruments makes sounds.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_instrument(x4) & (x2 = x3) & n_adult(x2) & a_young(s1) & Theme(s1,x2) & n_bunch(x1))
exists e2 e1 x1 x2 x3.(n_instrument(x2) & from(e1,x2) & Theme(e2,x3) & v_play(e2) & (x2 = x3) & Actor(e1,x1) & v_come(e1) & n_sound(x1))