'America's Got Talent' ends this week -- who's your pick to win? (poll)

Three singers, one band, one magician and an acrobatic ensemble: "America's Got Talent" is down to its last week, with a $1 million prize up for grabs.

Take a look at the finalists in the accompanying gallery and vote for your pre-performance favorites in the survey below. The contenders are singers Emily West, Miguel Dakota and Quintavious Johnson, Magician Mat Franco, musical group Sons of Serendip and acrobatics ensemble AcroArmy. We'll let you pick your two favorites; look for another survey after Tuesday's broadcast.

They'll perform in a two-hour live broadcast starting at 8 p.m. Central time on Tuesday, Sept. 16, on NBC. The usual Wednesday routine changes for the finale: Instead of a one-hour live results show starting at 8 p.m., NBC will broadcast a two-hour live results show starting at 7 p.m. Central time on Wednesday, Sept. 17.

According to information provided by the network, Wednesday's show will include appearances by Jennifer Hudson, Ed Sheeran, Pitbull, Lenny Kravitz, Train and more. For more information, visit www.nbc.com.

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