A man sits behind a music stand playing the guitar while people perform in the background.
People are dancing to the guitarist music.
Just because the people perform in the background, it doesn't mean that they are dancing to the guitar tune.
exists e1 e2 p1 x1 x2 x3 x4 x5 x7.(n_background(x7) & n_guitar(x5) & behind(e1,x2) & exists e3 x6.(in(e3,x7) & Actor(e3,x6) & v_perform(e3) & n_people(x6)) & while(e2,p1) & Theme(e2,x5) & Actor(e2,x4) & v_play(e2) & (x2 = x4) & n_stand(x2) & of(x2,x3) & n_music(x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_music(x2) & of(x2,x3) & n_guitarist(x3) & to(e1,x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1))