Sorry, Lana Del Rey — 2018 is not about that "Summertime Sadness." In fact, metro Detroit's concert lineup is so stacked that it's shaping up to be the summer of badass-ness. From legendary rockers and folkies to rap royalty and pop priestesses — not to mention the off-the-charts influx of indie acts — metro Detroit has the hottest tickets in town for a summer to remember.