Most often, the mode is used in heavy metal (Metallica's Sad But True being a good example) or as a way to improvise over the m7b5 chord (the ii chord) in a minor ii-V-i progression in jazz – so ...

Few bands are as polarizing as Metallica. Some fans think they're sell-outs, that they've gone soft. Others still love them. And some music fans have never cared for them (and, of course ...