The lead singer visited with his band members and had the guitarist sing along with the song.
A band is playing a song.
If the guitarist sings along with the song, then the band would be playing a song that he could sing along with.
exists e4 e1 e3 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_song(x10) & n_guitarist(x9) & n_singer(x1) & of(x1,x7) & n_lead(x7) & n_song(x6) & n_member(x4) & of(x4,x5) & n_band(x5) & of(x4,x1) & n_male(x1) & of(x1,x2) & n_lead(x2) & with(e4,x10) & r_along(e4) & Actor(e4,x1) & v_sing(e4) & Theme(e3,x9) & Actor(e3,x8) & v_have(e3) & (x1 = x8) & with(e2,x6) & r_along(e2) & Actor(e2,x1) & v_sing(e2) & with(e1,x4) & Theme(e1,x3) & v_visit(e1) & (x1 = x3))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_song(x2) & n_band(x1))