Misc: Who invented the military tank?

Questions

What Peter Gabriel song is dedicated to author Anne Sexton??

Minnesota Chris Mars fronted this alternative group, a media darling in the 1980s.?

Minnesota Family group responsible for "Crush On You" and "You Got It All".?

Minnesota The name of Prince's character in "Purple Rain".?

Minnesota The video for "Dancing in the Dark" was filmed in this city's civic center.?