However, hide has mentioned in interviews that songs such as "Pose" and "Inside the Pervert Mound" was recorded first with Zilch.

hide mentioned in an interview that "Inside The Pervert Mound" was recorded first and he decided to cover it in Japanese, naming it "Leather Face".

[citation needed] The album also includes a cover of The Sensational Alex Harvey Band's "Swampsnake".

[citation needed] In 1999, the band released the album Bastard Eyes, which includes remixes of the songs on 3.2.1. by various different artists.

"Inside The Pervert Mound" appeared on the Heavy Metal 2000 soundtrack, "Electric Cucumber" was included on the 2002 compilation album Cafe Le Psyence -hide Lemoned Compilation-,[4] and "Psyche" in the soundtrack to Catacombs.