A long-haired man belts out a tune on a trumpet while accompanying his band.
The man is rapping.
Rapping is a form of vocalization, and this cannot be done when playing a wind instrument such as a trumpet.
exists e2 e1 s1 s2 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_accompany(e2) & n_band(x4) & of(x4,x1) & n_male(x1) & a_out(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_belt(e1) & on(x2,x3) & n_trumpet(x3) & n_tune(x2) & n_man(x1) & a_long-haired(s1) & Theme(s1,x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_rap(e1))