Underground is an album by Analog Pussy. This is the 2nd full-length Analog Pussy album from 2001. It is a blend of trance, techno, house and ambient - all with one common vision - "Underground" music. The album experiments in blending Trance with techno touches, house-like grooves, ambient atmospheres and "psy-trance". "Underground" has been released on CD and 2x LP vinyl. Both the CD and the vinyl versions include nine new and unreleased Analog Pussy tracks. The vinyl contains 2 bonus tracks that are not on the CD.