A man in black sings with a band in the back.
A man in black sings with others in the background playing a guitar and an accordion.
There could be many different instruments being played and it's not necessarily a guitar and an accordion.
exists s1 x1 x2 x3 x4.(n_back(x4) & a_topic(x1) & in(x1,x2) & with(x2,x3) & in(x3,x4) & n_band(x3) & n_sing(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x4) & a_topic(x1) & in(x1,x2) & in(x2,x4) & Theme(e1,x6) & Actor(e1,x5) & v_play(e1) & subset_of(x8,x6) & n_accordion(x8) & subset_of(x7,x6) & n_guitar(x7) & (x4 = x5) & with(x2,x3) & -(x3 = x1) & n_person(x1) & n_person(x3) & n_sing(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))