hmm ..here's some some dark progressive rock songs with clean syncing female vocals .. https://www.soundclick.com/bands/page_songInfo.cfm?bandID=147108&songID=1744123 https://www.soundclick.com/bands/page_songInfo.cfm?bandID=147108&songID=1812194 while you are at it ..check out the artist - Bulb ..its a project by a single guy using 7 and 8 string guitars/drum programming/bass and keyboards as well ..all songs are pretty much dark.. his music ranges considerably from heavy metchul - electronica - progressive. if you are looking for some melodic parts ..i would suggest you try out .. Absent/Coldemark/Absolom/Racecar
