What would you guys call this chord? In a piece that I wrote, I am voicing it Bb,Ab,Db,Gb. I was calling it Gbadd9/Bb or Bb-7+5. The scale that it is implying is a Bb phrygian scale. Also how about this chord, voiced B,Ab,Db,Ab? I was calling that one B6/9(no 3rd).