Team Blake Terry McDermott sang Blake Shelton's "Over"
"Me and Blake went back and forth and I'd said I wanted to do something different," he said of the song choice. "He suggested his song – and the second I heard it I was like, "That's it!" It worked out tremendously. It was really fun."
Cassadee Pope sang Michelle Branch's "Are You Happy Now?"
"It was a big deal," she told PEOPLE of closing the show with that number. "There was pressure to close out with a bang and also top the last week. I tried to push it all aside and go out and have fun because I love Michelle Branch and that song. She is one of my songwriting idols."
Team Christina Dez Duron sang Justin Bieber's "U Smile"
"That song was totally my groove," he said of the performance. "Christina came up with the Justin Bieber idea. I wanted to do it my way. I love the song. It's a huge song, but I know Justin has a lot of avid fans. I knew we had to make it me. It ended up being a great risk."
Team Cee Lo Trevin Hunte sang Whitney Houston's "Greatest Love of All"
"It's definitely kind of scary because I feel like America will want something different," he says of the fact that the past two Voice winners have been soul singers. "I just want to leave a mark."
Nicholas David sang Marvin Gaye's "What's Going On"
"I loved being able to switch it up and play a little piano and add a sax," he said of the performance. "I get nervous when I stand there waiting for the judges to talk because I have so much energy right after playing. But I'm just excited."
Cody Belew sang Queen's "Somebody to Love"
"I never felt like I would out sing Freddie Mercury because you can't, but I wanted to put my own spin on things and embody his lyrics," he explained of performing with a choir behind him. "It was a big moment for me."
Team AdamMelanie Martinez sang Alex Clare's "Too Close"
"It's always going to be hard when you're singing about your personal experiences," she says of the recent breakup that informed her performance. "I never expected to do it on TV. I hope that now on I can let my personal experiences be fuel for the fire."
Amanda Brown sang Adele's "Someone Like You"
"I feel like it was intense ... and I hope people were moved by it, by the rock soul," she said. "Hopefully that was enough."
Reporting by JESSICA HERNDON