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OTRC: 'The Voice' cast talks season 6, Pharrell joining the show: 7 highlights

Adam Levine and Blake Shelton talk to OTRC.com about 'The Voice' season 6 (April 2014 interview). (OTRC)

The cast of "The Voice" have been enjoying one of their most talented seasons to date, and the coaches warn that the gloves are about to come off for the upcoming live shows.

Season 6 kicked off with the return of coaches Adam Levine, Blake Shelton, Shakira and Usher, with Levine standing as the show's reigning champion after his season 5 win with contestant Tessanne Chin. Usher and Shakira have once again filled out the red chairs occupied in the Fall cycles by Christina Aguilera and CeeLo Green, the latter of which has decided not to return to the show for good.

"The Voice" has undergone exciting new changes for its current season, with the addition of a second round of the battles and including more celebrity guest mentors on the show, such as Coldplay's Chris Martin. The coaches also have another new change to look forward to come season 7, with the news that Pharrell Williams will replace Green as a coach on the show in Fall 2014.

Levine, Shelton, Usher, Shakira and host Carson Daly recently spoke to OTRC.com at an event celebrating the show's sixth season, where they talked about the show's incredible talent, why they continue to change aspects of their format and what advice they would give contestants beyond their time on "The Voice."

Watch videos of interviews with the cast of "The Voice" above and check out seven highlights from the interviews below.

1. Adam Levine and Blake Shelton on how they've enjoyed season 6 so far ...

Levine: "Pretty good, man. It's been fun ... loose. Loose like our mouths. I might start cursing in T-minus 37 seconds, so watch out."

Shelton: "This is the first season with Usher and Shakira as them not being new coaches, and so we stepped into it way more comfortable than we did a couple of seasons ago when they were brand new and I think that comes through on the show. We're having fun and we're all friends now ..."

Levine: "Gloves came off ... it's getting brutal out there ..."

Shelton: "I've actually performed with Usher since then, and recorded with Shakira, so I've got some history with those two, so it's like getting some old friends. And we're writing our song 'Beer and Family'..."

Levine: "BeerandFamily.com. We should take out that domain name ..."

2. On what fans can expect from contestants in the playoff rounds ...

Shelton: "I tell you, I've never seen the gloves come off like they did for that. I mean, these people are kids, I call them ... just when you think they can't get better, they know they're fighting for their chance to make it to the lives and it's pretty amazing."

Levine: "I agree ... with everything he said. I concur."

3. Carson Daly on every contestant having the potential to win ...

Daly: "We're happy, we love the show. We always ... Adam and I were talking the other day, it's almost nice that there's not a clear sort of front runner right now, it's different. We're already in our sixth go around at this, there's like a dozen people that could win this thing."

"And that's kind of new for us and it's fun, because we're seeing each week they're taking the notes well like, Chris Martin says to you, 'Hey, sing one octave down, let me hear you do that,' that's your money spot. And all of the sudden, these people are like, 'Oh my god, I'm great.'"

4. On the show's format changes ...

Daly: "We always kind of look at the show and try to figure how to ... you know, the talent has gotten so strong every year, we had the battle rounds and then there would be a great battle, Adam would put two people together and they would both sing the hell out of the song, and he'd go, 'I pick you,' and then someone would walk out and we'd go, 'Oh my god, that guy's great.' So how do we keep them around, well let's have a steal, where someone can steal somebody."

"So little things like that we always are looking at as producers to try and make the show better. This year we decided that two rounds of the battles would get the playoffs like the best of the best together and I think that's worked well. We're always looking at the show from a viewer's point of view."

5. On Pharrell Williams joining "The Voice" ...

Daly: "I think a real sense of, you know, we always ... credibility is always something that's been important to us. Authenticity, you know, we're a show with real musicians, these aren't TV coaches these are real musicians, and he obviously brings that production element."

"And he's also just a great guy that I think, as cheesy as it sounds, there's a lot of philanthropic part of this, like Chris Martin who's one of the nicest guys in the world. Chris Martin from Coldplay isn't take a job on 'The Voice' to try and make his little day job any bigger, there is no bigger than Coldplay, he really wants to like, help somebody. And so Pharrell is the same way, when we find those people and we're like, 'Hey do you want to be a part of our journey?,' because that's what our show is all about."

6. Shakira and Usher on the show's talent this season ...

Shakira: "The talent this year is unbelievable ..."

Usher: "I'm just as shocked as everybody watching at home, man. It's like, does the talent pool ever really run dry? No. I mean, I think this show has attracted incredible artists and also too a process for all of us that maybe a lot of people who aspire to be artists don't know that, yeah you're right, it's definitely been an incredible season."

7. What advice the coaches would give contestants beyond the show ...

Usher: "Stay the hell out of my way." (he says with a laugh)

Shakira: "Be disciplined. I think discipline is such an important component in everything you wanna do in life, anything you wanna do really. Being committed, determined, hard worker ..."

Reporting by Jacob Burch, producer for the nationally syndicated entertainment show "On The Red Carpet" (check for local TV listings). The series is produced by KABC Television near Los Angeles.

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