INFO:
The next group of 12 acts perform from the pool of remaining groups with hopes of continuing on in the competition; the judges struggle to choose their favorite groups; after the night of performances, only three of 12 move on. © NBC Universal, Inc. SYCO TV, © 2012 FremantleMedia North America, Inc. and Simco Limited.
Americas Got Talent 2012 Train Performance Live 2nd Semifinal Results - Vídeo Dailymotion