what r some really good nu jazz/electro-jazz artists/bands

I recently heard a song called "Waltz for Koop" by Koop. I fell in love with it instantly and would love to hear more music like it.
I am trying to find music that has FEMALE VOCALS and is mainly jazz with trip hop/downtempo overtones. Not mainly trip hop with jazz overtones.
So the music I'm looking for is not really trip hop because its heavily jazz..so I guess this is what people call nu jazz or electro-jazz...

I'm not sure where to even begin looking for this music, (because its not like this genre is pouring out of radio stations) but would greatly appreciate it if yall could help me find something.