A man singing in a band.
The man singing in the band is performing for the first time.
The man could be performing for awhile now.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_band(x3) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(n_time(x4) & a_first(s1) & Theme(s1,x4) & n_band(x3) & n_sing(x1) & of(x1,x2) & n_man(x2) & for(e1,x4) & Actor(e1,x1) & v_perform(e1) & in(x1,x3))