There are at least two groups that are named White Widow. One from the Philippines, and one from Poland.

1) White Widow (Philippines)
White Widow is an experimental project based in the Philippines founded by Chester Masangya and Nel Briones.

2) White Widow (Poland)
White Widow, a rap group from Łódź, was founded on the initiative of Kosior and Chłopec. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.