The ad-libbed vocals were noticed after 30 June 1986 .
`` The ad-libbed vocals were not present on all performances though , the most notable being the perfomance at the Meinmarktgelande in Mannheim , on July 21st , 1986.Also , the live versions of the song included a different version of the intro , which starts like the single version intro , but later changes into the album version intro , but repeats the section after the vocals `` '' Ii '' '' near the end . ''
One Vision