The pair singing together means that a lot of the songs often take on multiple points of view. It’s sometimes like “Don’t You Want Me” if the male character was a morbid creep, like in “Loosen the Noose,” where O’Riordan sings “somebody’s walking close behind me,” and Koretsky later sings, “I found true love six feet below.” “Gunfight” includes both of them singing together, “I remember your eyes, hip to the fact that we’re all gonna die.” They also do a lot of whispered vocals and forlorn deep breathing into the mics.
The album flows well, effortlessly segueing from Achtung Baby-like rock to mechanical new wave like Depeche Mode and Pet Shop Boys. O’Riordan and Koretsky sing simple lyrics, often repeating the same phrase over and over, allowing alternate meanings to sink in. Another subtle tactic they employ is to differentiate parts of songs by singing different vocal lines over the same chord progressions, finding enchanting new melodies out of a familiar sound. It's the greatest thing that can happen for the three storied musicians in D.A.R.K.
‘Science Agrees’ is a moody ride through the dark recesses of the club culture. This album, instantly inviting, reminded me of days long ago when it was easier to stay out than go home. The driving beat and Rourke’s signature counter melodies, alongside O’Riordan’s uniquely sweet and twisted voice, brought back memories – good and bad – of when it meant everything to be seen or seen with. This is the pre-close soundtrack that keeps your attention so that you don’t pass out as you’re coming off your buzz; allowing you to sit in that dark corner of the club, providing just enough constitution to gather your wits and head for the door.