Usher covers Blake Shelton in video from Texas concert

LOS ANGELES, CA - FEBRUARY 08: Singer Usher (R) and harpist Melody Tai perform "If It's Magic" onstage during The 57th Annual GRAMMY Awards at the at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) Usher's classy turn at the Grammys. Photo: Getty Images.

Credit: Melissa Ruggieri

Credit: Melissa Ruggieri

LOS ANGELES, CA - FEBRUARY 08: Singer Usher (R) and harpist Melody Tai perform "If It's Magic" onstage during The 57th Annual GRAMMY Awards at the at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) Usher's classy turn at the Grammys. Photo: Getty Images.

BY MELISSA RUGGIERI

Usher didn't head back from L.A. with an armload of Grammys -- he, along with several other marquee musical acts, was shut out -- but the Atlanta R&B smoothie's performance of a Stevie Wonder classic was an undeniable highlight of the show.

It wasn't Usher's only surprise rendition of a song.

Two nights before the Grammys, Usher and his cohort on "The Voice," Blake Shelton, headlined the United Way of Metropolitan Dallas’ 90th Anniversary Celebration at AT&T Stadium in Dallas.

During the show, the pair teamed up for a rendition of "Home," the 2005 Michael Bublé hit that Shelton sent to No. 1 on the country charts in 2008.

But it was Usher's recast of Shelton's toe-tapper "Neon Light' as a soul ballad that showcased his impeccable singing chops. A cheeky Usher asks, "How'd I do?" at the song's end before gliding around in a circle.

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