The man is playing the acoustic guitar while the other men make gestures
Jason Mraz is performing a song on his guitar for his male audience.
We cannot know from the first sentence if the man's name is Jason Mraz.
exists e1 p1 s1 x1 x2.(-(x1 = x1) & n_man(x1) & n_man(x1) & n_guitar(x2) & a_acoustic(s1) & Theme(s1,x2) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_make(e2) & n_gesture(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))
exists e1 s1 x1 x2 x3 x4 x5.(n_audience(x5) & a_male(s1) & Theme(s1,x5) & of(x5,x1) & n_male(x1) & n_male(x1) & n_guitar(x4) & of(x4,x1) & ne_per_mraz(x1) & (x1 = x2) & ne_per_jason(x2) & for(e1,x5) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_song(x3))