'Due to the current climate': Alicia Keys switches from new single to political song Holy War on The Voice

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Alicia Keys got political on Tuesday while performing on The Voice.

The 35-year-old new coach took to the stage as the final 12 competitors nervously waited for live results during the elimination episode.

She was supposed to perform her latest single Blended Family but only sang a few bars of a stripped down version of the single.

Getting political: Alicia Keys performed her powerful political tune Holy War on Tuesday's episode of The Voice

Alicia then stopped and switched to her powerful political tune Holy War and its lyrics against fear, hate and building 'walls between each other.'

The 15-time Grammy Award winner, who had initially been in silhouette and joined by two backing singers performing a cappella, made no mistake of her reasoning for the switch.

'That's my new song, Blended Family, that I was supposed to sing tonight,' she told the audience. 'But due to the current climate there's only one song I can sing, and that's Holy War.'

Dressed all in black, she was then joined by fellow coach Adam Levine on acoustic guitar for the heartfelt full band performance of the powerful song. 

Fan favourite: The 15-time Grammy Award winning singer received a huge applause

Strong song: Alicia performed a few bars of her new single Blended Family before switching to Holy War

On the guitar: Adam Levine played guitar for Alicia as she performed Holy War

Miley Cyrus passionately sang along from her red chair.

When it finished, Alicia held her hand over her heart before blowing a kiss in thanks for the applause.

As well as playing guitar, Maroon 5 frontman Adam also sang during the results show with his remaining team, as did Miley, who tackled a classic by her godmother Dolly Parton. 

Chair dance: Miley Cyrus sang and danced in her chair as Alicia belted out Holy War

Double duty: Adam also performed with the remaining contestants on his team

Country classic: Miley also joined her team members in singing a Dolly Parton song

The two new coaches however did not have an easy ride on the results show.

Despite old-hands Blake and Adam having spent the season feeling the pressure from the ladies, they ended up doing best, with both seeing all three of their team members advancing automatically to the next round.

Alicia and Miley had to watch as one of their artists - Sa'Rayah for Alicia and Aaron Gibson for Miley - both sang to get saved in a live, five-minute Twitter vote at the end of the show.

Sing off: Sa'Rayah landed in the bottom two of voting and was forced to sing for survival

Bottom two: Aaron Gibson also sang before a five-minute Twitter vote

Miley jumped up and stomped the ground with joy when husky-voiced Aaron was named as the final contestant going through after his version of Ed Sheeran's Lego House.

He joined Ali Caldwell, Wé McDonald, Brendan Fletcher, Courtney Harrell, Billy Gilman, Darby Walker, Austin Allsup, Christian Cuevas, Josh Gallagher and Sundance Head to make up the final 11.

Alicia had spoken passionately about Sa'Rayah and wanting her to stay in the running, saying: 'I am so blessed to have been in your presence. You are phenomenal.

Showing support: Miley and Alicia clasped hands as their singers faced elimination

Holding hands: Sa'Rayah and Aaron held hands while awaiting their fate

Happy dance: Miley stomped her feet as Aaron advanced to the final 11

'Your voice is so incredibly gifted and the love you have in your heart and the way you share it through music and what you feel for your family and your daughter and the way it comes through. Thank you for showing people that everything is possible,' Alicia said.

She also said: 'Anyone at home with a heart, if you have a heart in your chest, you hear and you feel Sa'Rayah when she sings. Just continue to walk in your light, Mama. You've already won.'

Sa'Rayah was equally passionate about her coach, telling Alicia: 'Everything you said to me when you fought for me in that blind audition - you meant it, and I know you meant it because you've proven it every single time. Thank you for your love, thank you for your light.'

Natural beauty: Alicia praised Sa'Rayah before she was sent home

Tender moment: Sa'Rayah told Alicia that she loved her

She then had Carson Daly chuckling as she added: 'I love you and there ain't nothing you can do about it.'

Miley had referred to the other coaches performing on the night when asked about Aaron, saying: 'Today, all of us, we've been onstage today - Alicia performed, I performed, Adam performed - and never once did I ever want anything but the best for them and for their performances.

'I wanted them to shine - I wanted their music to be the best it could be and them to be the most themselves ever, and never would I want my greatness to come from someone else's fault.

Performance note: Miley talked about wishing the best for her fellow performers

The host: Carson Daly kept the one-hour show moving

'I want to succeed while everyone else succeeds too. And that's what I wanna thank you for doing. For always being here with all love,' she told Aaron.

Miley and Aaron had earlier been joined by their other team members - Ali and Darby - for a performance of Dolly's There'll Always Be Music.

They all wore white with music symbols as decorations - with Miley most eye-catching in a white cowboy shirt, a black skirt with frills and white high-heel cowboy boots.

On the stage: Miley dressed up in country outfits along with her team members

'Obviously a special song for Miley as it was done in part by her godmother, the great Dolly Parton,' Carson said afterward.

Adam performed with his all-male team - Billy Gilman, Brendan Fletcher, and Josh Gallagher - with all but Billy strapping on guitars for a cover of Buffalo Springfield's politically-charged classic For What It's Worth.

The Maroon 5 singer spent most of the song showing off his electric guitar riffs - while Billy raised the pace of the song when he took the tune to a higher register for his section.

Guitar guy: Adam showed his guitar skills while performing with his team

In recorded sections, Alicia and Miley got to surprise several big fans of theirs who were brought into the studio for a tour with no idea they would meet their idols.

They got to sing happy birthday to one fan - while another was so shocked she leaped out of her chair at seeing Alicia standing behind her.

'I mean, I freaked out when I met Alicia, so - I get it,' Miley shrugged while watching on.

Big surprise: Miley and Alicia surprised their fans in a pretaped segment