Is there a difference between the movie version of the song and the single version of the song, or are they both the same?

Is it supposed to have 6 or 7 DVDs? I'm looking to purchase this soon, but I have no idea how many discs it should have.

Hi, I'm new here, I'm Princess Asuka. After being curious about the show for awhile, I finally decided to watch it and I fell in love with it after looking up the show's opening theme on youtube and I thought Shinji was adorable. :heart: I love Evangelion and I'm also a big fan of Sa...