OPENING ON SOUR NOTE? Carrie Underwood doesn't impress at the Grammys

The Grammy Awards have gotten off to a rousing start with energetic performances from A-list artists, but some were better received than others.

Carrie Underwood and Sam Hunt's duet was immediately slammed on social media.

I like country music, I like both of these artists. This performance is the worst & it hurts. #Grammys2016

— Megan Gil (@megsg19) February 16, 2016

But Ellie Goulding and Andra Day impressed viewers.

This performance is absolutely amazing @elliegoulding @AndraDayMusic #GRAMMYs

— samantha (@samsinopoli) February 16, 2016

Taylor Swift was first to belt it out in a sequin jumpsuit for her performance of "Out of the Woods," departing from her red carpet attire, which had featured a tiny coral orange top.

By the time she took the stage Monday, Swift had already won two Grammys during the show's pre-telecast. She is up for several other Grammys during the broadcast that is airing live on CBS.

Host LL Cool J followed Swift's performance with a powerful message about music. "With all that divides us today, our shared love of music unites us, all of us," he aounced.

Kendrick Lamar was the first artist to take home an award aounced on the live show for best rap album for "To Pimp A Butterfly."

"First off, all glory to God, that's for sure...this is for hip hop...we will live forever," Lamar said as he accepted his award.

Chris Stapleton won best country solo performance for "Traveller." Song of the year went to Ed Sheeran for "Thinking Out Loud."

Meanwhile, many of the big awards of the night are still to come.

"Girl Crush" won songwriters Liz Rose, Hillary Lindsey and Lori McKea best country song and Little Big Town best country duo/group performance.

Swift's and Sheeran's songs are up for record of the year, along with "Uptown Funk" by Mark Ronson and Bruno Mars, the Weeknd's "Can't Feel My Face," and D'Angelo and the Vanguard's "Really Love."

Best new artist nominees include pop singers Meghan Trainor and Tori Kelly; rock acts James Bay and Courtney Baett; and country singer Sam Hunt.

Plus, the cast of hit Broadway musical "Hamilton" will hit the stage and Pitbull will close out the awards show. It will feature tributes to David Bowie, B.B. King, the Eagles' Gle Frey, Natalie Cole, Lemmy Kilmister and Earth, Wind & Fire's Maurice White.

Adele released her third album, "25" — which has sold 8 million units in the United States — after Grammy eligibility. It will qualify for awards at the 2017 ceremony.

The Associated Press contributed to this report.

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