Metallica brings its thrash metal arsenal to the Sphere for a two-night run, with the venue's wraparound LED visuals and immersive sound turning the band's classic riffs into something closer to sensory overload than a typical arena gig. Over at T-Mobile Arena, Nickelback's Everything Under The Sun Tour delivers two decades of radio-ready rock anthems with the pyrotechnics and big screens the band's live shows are known for. For something more intimate, Chicago settles into its Venetian Theater residency, pairing a tight rhythm section with its signature horn line for a set spanning "25 or 6 to 4" through '80s ballads like "You're the Inspiration," in a room where no seat sits far from the stage.