The Voice (Season 12):

The twelfth season of The Voice, an American reality talent competition, premiered on February 13th, 2017 on NBC. Usher and Pharrell Williams returned as coaches along with Adam Levine and Blake Shelton.

On May 16, 2017, Tyler O'Connor of Team Usher was announced as the winner of The Voice, with Chris Hoyt of Team Blake as the runner up, and Evan Lambert of Team Adam in third place and Tammy Lee of Team Usher placed fourth.

Coaches
The coaches for this season are Adam Levine, Usher, Pharrell Williams, and Blake Shelton

The advisors for the Battle rounds are Jess Glynne for Team Adam, Katy Perry for Team Usher, Adele for Team Pharrell, and Brad Paisley for Team Blake.

Ed Sheeran served as the universal mentor for the Knockout rounds.

Teams
Winner Runner-up Third place Fourth place Eliminated in the Live shows Eliminated in the Live playoffs Artist was stolen by another coach at the Knockout rounds Eliminated in the Knockout rounds Artist was stolen by another coach at the Battle rounds Eliminated in the Battle rounds
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The Battles
The Battles (episodes 7 to 10) consisted of two 2-hour episodes and two 1-hour episodes each on March 6, 7, 13, 14, 2017. Season twelve's advisors for the Battle rounds are Jess Glynne for Team Adam, Katy Perry for Team Usher, Adele for Team Pharrell, and Brad Paisley for Team Blake. Contestants who win their battle or are stolen by another coach will advance to the Knockout rounds, with each coach allowed to steal two artists who lost battles.

Artist won the battle and advanced to the Knockout rounds Artist lost the battle but was stolen by another couch and advanced to the Knockout rounds Artist lost the battle and was eliminated
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The Knockouts
The knockouts returned as a stage for season 12. For the knockouts, Ed Sheeran was assigned as a mentor for contestants in all four teams for this round.

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Live shows
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Week 1: Live playoffs (April 3, 4, & 5)
The Live Playoffs will begin on April 3, 4, and 5, 2017 and will comprise episodes 15, 16, and 17 (The results show). The top 20 artists perform, with two artists from each team advancing from the viewers' vote, and each coach rounding their team up with their own choice.

Week 2: Top 12 (April 10 & 11)
The top 12 performed on Monday, April 10, 2017 with results following on Tuesday, April 11, 2017.

Tyler O'Connor received an iTunes bonus multiplier for her studio recording of "Jealous" charted fourth on the iTunes Top 200 singles chart

Week 3: Top 10 (April 17 & 18)
The top 10 performed on Monday, April 17, 2017, with results following on Tuesday, April 18, 2017.

Evan Lambert and Tammy Lee received an iTunes bonus multiplier for their studio recording of "Maybe I'm Amazed " and"Rather Be" reaching the eighth and fifth position on the iTunes Top 200 Singles chart.

Week 4: Top 8 (April 24 & 25)
The top 8 performed on Monday, April 24, 2017, with results following on Tuesday, April 25, 2014.

There is no Instant Save in this round.

Chris Hoyt, Evan Lambert, Tammy Lee and Tyler O'Connor received an iTunes bonus multiplier for their studio recording reaching the second, third, fourth and sixth position on the iTunes Top 200 singles chart.

Week 5: Semifinals (May 1 & 2)
The top 6 performed on Monday, May 1, 2017, with results following on Tuesday, May 2, 2017.

All 6 constestants(expect Will Sanderson) receive an iTunes bonus multipliers for their studio recording landing on the iTunes Top 200 Singles chart.

Week 7: Finals (May 15 & 16)
The top 4 performed Monday, May 15, 2017, with the season finale on Tuesday, May 16, 2017. Performances this round consisted of a "fan's choice" reprise performance of a song from earlier in the season, a duet with the respective coach, and a solo song. The final episode was preceded by a one-hour recap of the competitive performances, and included two hours of performances by this season's top 20 contestants, and the announcement of the winner.

No iTunes Bonuses were given on Finale Night.