Home / Music / Who co-produced Jessica Pratt's album Quiet Signs?Music linernotes album music jessica-prattWho co-produced Jessica Pratt's album Quiet Signs?Jessica Pratt co-produced Quiet Signs with Al Carlson, who also played flute and organ on the album. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious Who co-produced Leonard Cohen's album I'm Your Man?Next Who brought the theremin and Moog to rock music early on?