The Silver #01 STRUCTURE is a remix album featuring music from Shirubā Jiken. It was released on April 20, 2001 and features 29 tracks composed by Masafumi Takada, as well as two remixes. STRUCTURE was reissued in 2006 with a number of previously unreleased songs, although neither remix was included. The original pressing was sold for ¥2500.
The two unique remixes are "Silver_Remix (Itoh's mix)" and "The Silver Case (Unplugged Ver.)".