Relaps is another chapter in the archival recordings of Univers Zero. It documents concert recordings of two different lineups during the band's transitional years, and the ones that presaged their lengthy - though gratefully temporary - hiatus from recording and touring between 1986-1999. There are four shows and two different lineups of UZ on display here. First up are a pair of performances from a quintet version of UZ that includes Denis on drums, new keyboardist Jean-Luc Plouvier (who replaced Andy Kirk, original keyboardist and one of the band's two composers), Dirk Descheemaekeron reeds and winds, bassist Christian Genet, and cellist and alto saxophonist André Mergenthaler (aka André Mergen)…