A blond woman in a burgundy dress is singing, while a man plays a trumpet.
A blonde woman is making like to a man playing the trumpet.
What the woman is wearing is described as a burgandy dress, and then not described at all.  The woman is either singing or making like, not both.
exists e1 p1 s1 s2 x1 x2.(exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_trumpet(x4) & n_man(x3)) & while(e1,p1) & Actor(e1,x1) & v_sing(e1) & in(x1,x2) & n_dress(x2) & a_burgundy(s2) & Theme(s2,x2) & n_woman(x1) & a_blond(s1) & Theme(s1,x1))
exists e1 e2 s1 x1 x2 x3 x4.(n_trumpet(x3) & to(e1,x4) & n_man(x4) & like(e1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_thing(x2) & Actor(e1,x1) & v_make(e1) & n_woman(x1) & a_blonde(s1) & Theme(s1,x1))