I would love to see Rie fu live--she's sung a handful of anime openings/endings (Bleach, Gundam Seed Destiny, Darker than Black, D.Gray-man, and most recently, Hourou Musuko/Wandering Son), and she speaks fluent English (spent years in USA/UK).
Another artist you guys could probably bring back (in a way) is Mai Fukui; she's no longer a part of POPLAR ('06 guest), but she's gone solo and has been doing reasonably well (in my opinion, at least).
Another artist you guys could probably bring back (in a way) is Mai Fukui; she's no longer a part of POPLAR ('06 guest), but she's gone solo and has been doing reasonably well (in my opinion, at least).