A man singing and playing drums with his back-up group.
A man singing with his band at a nightclub.
A man can sing and play drums with his back-up group anywhere and not just in a nightclub.
exists e1 e2 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e2,x5) & n_group(x5) & a_back-up(s1) & Theme(s1,x5) & of(x5,x1) & n_male(x1) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_drum(x4) & (x1 = x3) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & at(x3,x4) & n_nightclub(x4) & n_band(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_man(x1))