Lawmakers from both parties joined together at Grammys on the Hill on Tuesday night to honor Tony Award winner Kristin Chenoweth and Grammy-winning gospel singer Yolanda Adams.

The annual celebration had lawmakers dancing and singing along with musicians and artists. As Linda Perry, the lead singer to the '90s group 4 Non Blondes, strummed her guitar, lawmakers joined in, with House Minority Leader Kevin McCarthyKevin Owen McCarthyWatchdog: Custodial staff alleged sexual harassment in lawmakers' offices John Legend, Chrissy Teigen lash out at Trump at Dem retreat Republicans call for ex-Trump lawyer Cohen to be referred to DOJ MORE (R-Calif.) enthusiastically hitting a red cowbell.

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Rep. Sheila Jackson LeeSheila Jackson LeeDems attack Barr's credibility after report of White House briefings on Mueller findings O'Rourke sweeps through Virginia looking to energize campaign GOP senators dismiss Booker reparations proposal MORE (D-Texas) was spotted shaking a maraca as Reps. Michael McCaulMichael Thomas McCaulLawmakers join musical stars to celebrate Grammys on the Hill DCCC opens Texas office to protect House pickups, target vulnerable GOP seats GOP, Dems balk at latest Trump foreign aid cuts MORE (R-Texas) and Debbie Wasserman SchultzDeborah (Debbie) Wasserman SchultzWasserman Schultz: 'We need a President, not a comic book villain' Lawmakers join musical stars to celebrate Grammys on the Hill Dem lawmakers will attempt tour of detention facility they say turned them away MORE (D-Fla.) swayed to the beat.

More than 20 lawmakers attended the event, hosted by the Recording Academy, which also honored two of their own: Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleyTen post-Mueller questions that could turn the tables on Russia collusion investigators On The Money: Conservatives rally behind Moore for Fed | White House interviewing other candidates | Trump, Dems spar on Tax Day | Budget watchdogs bemoan 'debt denialism' GOP senators double down on demand for Clinton email probe documents MORE (R-Iowa) and Rep. Hakeem JeffriesHakeem Sekou JeffriesDems attack Barr's credibility after report of White House briefings on Mueller findings The Hill's 12:30 Report: Assange faces US charges after dramatic arrest Dem leader: Trump's Fed picks like something out of 'SNL' MORE (D-N.Y.) for their role in helping pass the Music Modernization Act.

The act updated laws to expand copyrights for musical engineers and producers and also created a method for compensating for artists when digital services use their work.

It was a star-studded affair, beginning with Maroon 5 keyboardist P.J. Morton performing the national anthem. Morton also presented Adams with the Creators Leadership Award, calling her his “Auntie Yo-Yo.”

Speaker Nancy PelosiNancy Patricia D'Alesandro PelosiDOJ plans to release 'lightly redacted' version of Mueller report Thursday: WaPo Pelosi accuses Barr of 'single-minded effort' to protect Trump against Mueller report Dems attack Barr's credibility after report of White House briefings on Mueller findings MORE (D-Calif.) helped honor Chenoweth, presenting her with the Philanthropist Award and thanking the Broadway star for singing at a celebration after Pelosi's 20th year in Congress.

The 4-foot-11-inch Chenoweth joked that the impressive award "weighs more than I do.” And she took a moment to share her admiration for Pelosi.

“I love you so much," she told the Speaker. "I was there for all of [your] recognitions, and I always will be.”

Chenoweth sang “For Good,” a hit from the musical “Wicked,” alongside Duke Ellington High School student Kesaundra Haythe. The two had not rehearsed before but delivered a captivating performance, receiving a standing ovation.

Kat Graham, who starred in "The Vampire Diaries," and Mario, a two-time Grammy nominee, presented Jeffries with his award and lauded him for his “lifelong commitment to hip-hop.”

While Grassley could not attend, Neil Portnow, who is retiring as CEO of the Recording Academy in July, presented an honorary Grammy to the senator earlier in the day.

Also at the event were producer Ian Fitchuk who worked on Kacey Musgraves's "Golden Hour," the Grammy album of the year; 15-time Grammy-winning record producer Steven Epstein; Talking Heads keyboardist Jerry Harrison; and D.C. native and Grammy-nominated singer Kenny Lattimore.

On Wednesday, the Grammy winners and nominees will head to Capitol Hill to meet with lawmakers and staff to discuss ways to protect artists' rights in the face of new online streaming services.

Adams told ITK that she expects the talks to be productive and important for music advocacy.

“I have found that people are not against [music advocacy]. They’re just people who you need to educate on the importance of music because we all know that music signifies different parts of our lives," she said.