It was meant only to be an exclusive track for the company.
The album was released in Japan with an exclusive bonus track.
This leaves the possibility that these songs may appear in the future as exclusive tracks.
This marked the first time that the band has written and recorded an exclusive track for an outside project.
The single has remained in print since its release, despite not containing any exclusive tracks.
Most of the tracks exclusive to the album were recorded just a few months prior to its release.
The album has twelve tracks with another two exclusive to the Japanese edition.
It contains six exclusive live tracks recorded specifically for the release.
The limited edition single includes the title track, plus 3 extra exclusive tracks.
As of August 2009, the band have released two exclusive tracks on their website for free download.