CHICAGO — Strutting onto center stage, Kings of Leon mesmerized a near-capacity crowd from their powerful opening up with "The End," “Slow Night, So Long” and “McFearless” during this week's performance at the United Center.

KOL, formed in Nashville in the late '90s, were influenced early with a mixture of the blues and Southern rock before expanding to a more dynamic alternative rock sound. The group — composed of Followill brothers Caleb (lead vocals, guitar), Nathan (drums) and Jared (bass) and their cousin Matthew (guitar) — has hit milestone after milestone since 2000, including opening for the likes of U2, Pearl Jam and Bob Dylan.

Backlit with a dark ballroom ambiance in an intimate and shortened stage, KOL kept the audience engaged as they performed over two dozen songs mixing their new album cuts and favorites during their latest tour, The Wall.

"I'm sorry it took us so long to get here," Caleb Followill said. “It just makes us more and more excited to be here. Are you guys going to work tomorrow?"

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The crowd erupted and sang in unison nearly halfway through the show when KOL blasted them with "Sex On Fire" before slowing things down with an acoustic set that included "The Runner," "Comeback Story" and "WALLS."

At the end of “WALLS," KOL exposed a full stage facelift complete with visual imagery, which intensified with each song starting with "Find Me."

KOL opted to play straight through with no encore but their powerhouse closing of "Use Somebody" and "Waste a Moment" electrified a fan base in the nearly two hours KOL gave them before leaving the stage with a "God bless you; we’re the Kings of Leon."