Crowd of people taking pictures and clapping.
They are taking pictures of the singer.
The people could be taking pictures of another sort of performer.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & n_clapping(x6) & n_picture(x5) & subset_of(x6,x4) & subset_of(x5,x4) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2 x3.(n_singer(x3) & n_thing(x1) & of(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2))