A Slow Descent  "A Slow Descent" is the first official single from The Butterfly Effect's second full-length studio album, "Imago". The single debuted at #18 in the ARIA Singles Chart, reaching #9 in the following week, giving them their first top 10 single, before suddenly dropping to #32. The track "Phoenix" was originally released only as a downloadable single, and does not appear on the album.