"Spectrus" is her brothers heavy metal band, and she's been playing with them since 2012, though it appears she has recently parted ways and has started her own ban with a 2016 release of a new album.
Gisele Marie says of her:
“People do not expect to see a Muslim woman who uses a Burqa, practices the religion properly and is a professional guitarist who plays in a Heavy Metal band. " “So many people are shocked by it, but other people are curious and find it interesting, and others think that it is cool.Surely she should know that those who are so uber devout that they feel the need to wear a niqab or burqa also believe that music is haram (forbidden) in their religion.
It's probably a gimmick, and she's probably a man. Check her out.
Clip about Gisele Marie here, if you can bear to listen to the music.
Photos and more on her story.