Margalit Tzan'ani, Tzion Golan, Shalom Tzabari, Sagiv Cohen, Avner Cohen, Moti Nahari, Naomi Mali'ach, Beni Barda, Miki Gazit, Moshe Giat, Miriam Tzabari, Aharon Yirmi, Bracha Cohen, Yehudit Amram.
(The list goes on and on..) :)
Oh my gosh! I forgot Shoshana Damari!! :)
Also, I'm not sure this is what you meant, but these guys are Yemenite, but don't really sing Yemenite songs..: Daklon, Boaz Sharabi, Yizhar Cohen,Gali Atari, Avihu Medina, Zohar Argov, Avner Gedasi, Moshe Peretz, Liran Tal, Yishai Levi, Regev Hod and Eyal Golan.