We can call off that search for Yuuji's Stage 2 theme P2..
http://www.youtube.com/watch?v=0YgHfeYpiBo
And I just realized I didn't ask for these
http://www.youtube.com/watch?v=Mi7L25A57G4
And the second song in this starting at 35 seconds (We know the first)
http://www.youtube.com/watch?v=kWcXMs-vjw0