Twelve quarter-finalists made up of singers, dancers and eccentric acts will perform live on America's Got Talent Tuesday night from Radio City Music Hall in New York City.

Here's a preview of 12 acts that will be performing, with videos provided by clicking on their names.

3Penny Chorus & Orchestra:

Performing Carly Rae Jepsen's hit song Call Me Maybe, this group of musicians charmed the judges with their earnestness. Judge Howard Stern said that they were a "wonderfully uplifting act" as they were advanced through to the live shows.

Aerial Ice:

This group of extreme ice skaters had the judges on the edge of their seats during their audition. Combining ice skating with death-defying acrobatics, the group was automatically sent through to the Vegas show on the basis of their audition.

Cami Bradley:

In her two performances, Bradley sang the classic songs Somewhere Over the Rainbow and Summertime. Judge Howie Mandel told her in her audition that she was a star.

Champions Forever:

A family troupe of performers, this group performed a variety act involving spinning basketballs and riding unicycles. The group was sent through on the basis of their audition.

Chloe Channell:

This young country singer showed off her personality through renditions of All American Girl by Carrie Underwood and Turn On Your Radio by Reba McEntire. Judge Heidi Klum said that it was about time that another child won America's Got Talent, referring to Channell.

David Ferman:

A danger act, this variety performer balanced a burning Molotov cocktail on a balloon using only his mouth in his original audition and juggled stun guns in his Vegas performance. Both times, the judges appeared very nervous due to the life-threatening nature of his act.

Jimmy Rose:

This country singer touched the judges with an original song called Coal Keeps the Lights On. Stern told Rose that he would add him to his radio lineup in a heartbeat on the basis of his song and his voice.

The Robotix:

This young band was not featured in the audition portion of the show nor were they featured in Vegas. They are a rock band whose oldest member is 14 and they write original songs. A clip of their original audition was recently uploaded online.

SensEtion:

This dance group combined 3D image technology and synchronized dance moves, resulting in a very visual performance. The judges were split when considering the group's potential going forward but were sent through to Vegas and then the live show.

Taylor Williamson:

Relying on his awkward personality, this comedian made the judges laugh through his audition and his Vegas performance. He managed to perform well in front of the crowd at his audition and at his Vegas performance in front of only four judges.

Timber Brown:

This acrobatic pole dancer stepped it up from his original audition by jumping between two poles in his Vegas performance. The judges agreed that he was very good even though Mandel said that his act was "a little soft."

Tummy Talk:

This group of body percussionists stood out as a unique act by drumming on their large, shirtless friend. The judges were split on whether or not to put him through but they agreed to send them through to the live show.

Only four acts will advance to the semifinals: the three acts who get the most votes by America and one judges' choice. America's Got Talent will air the live show Tuesday at 9 p.m. on NBC.

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Americas Got Talent