Cave In formed in 1995 in Methuen, Massachusetts, where thereafter they began releasing several split singles and demos that eventually culminated in the 1998 compilation album Beyond Hypothermia.

[6] The single "Anchor" off Antenna received some minor radio success, and ranked on the Billboard Alternative Songs chart at number 34.

[7] Cave In began working on demo tracks in 2004 that were more in the vein of the band's earlier heavy metal albums.

[5] One common lyrical theme found in many of the songs on Perfect Pitch Black was the band's feelings of frustration toward their stint on RCA.

[8] In 2010, Cave In started releasing albums in their Anomalies project consisting of previously unreleased or rare songs.