a man with glasses a beard and white t-shirt sitting in front of a drum set.
The old rocker gets ready to play his drums.
man sitting in front of a drum set also means that he  gets ready to play his drums.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x5) & of(x5,x6) & n_set(x6) & a_drum(s2) & Theme(s2,x6) & n_front(x5) & Actor(e1,x4) & v_sit(e1) & (x1 = x4) & with(x1,x2) & subset_of(x3,x2) & n_t-shirt(x3) & a_white(s1) & Theme(s1,x3) & all x7.(n_beard(x7) -> exists x8.(subset_of(x8,x2) & for(x8,x7) & n_glass(x8))) & n_man(x1))
exists e1 p1 s1 x1 x2.(n_drum(x2) & of(x2,x1) & n_male(x1) & n_rocker(x1) & a_old(s1) & Theme(s1,x1) & exists p2 s2.(Topic(s2,p2) & Actor(s2,x1) & a_ready(s2) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_play(e2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1))