AGT semifinalists
The final batch of seven semifinalists pose for a group photo after "America's Got Talent" live show this week. Twitter/America's Got Talent

After the last “America’s Got Talent” live show in Hollywood, 21 acts have been voted through to compete in the semifinals of NBC’s top-rated talent show. Majority of the semifinalists are magicians and singers.

Based on the compiled list of the 21 acts that advanced to “America’s Got Talent” season 11 semifinals, 10-year-old magician Kadan Bart Rocket is the youngest of the hopefuls. Meanwhile, Rubic’s cube expert Steven Brundage is the lone wild card contender who got enough votes to make it through the semifinals.

Here is the composition of the 21 AGT semifinalists:

Youngest Contestant: 10-year-old magician Kadan Bart Rockett

Soloist musicians

  1. Grace VanderWaal, 12, singer-songwriter
  2. Kadie Lynn, 12, country singer
  3. Laura Bretan, 13, opera singer
  4. Jayna Brown, 14
  5. Calysta Bevier, 16
  6. Sal Valentinetti, 20
  7. Brian Justin Crum, 28

Group performers

  1. Linkin Bridge, acapella singers
  2. Musicality, choir band
  3. Edgar Family Band

Comedians

  1. Lori Mae Hernandez, 13
  2. Tape Face, 37

Magicians/Performers

  1. Kadan Bart Rockett, 10
  2. Sofie Dossi, 14, contortionist
  3. Steven Brundage, 25, Rubic’s cube genius
  4. Blake Vogt, 27
  5. Deadly Games, stunt couple
  6. The Clairvoyants, mentalist couple
  7. Jon Dorenbos, 35
  8. Viktor Kee, 45, theatrical juggler

Dancers

  1. Malevo, Argentinian male dance group

Wild card pick

  1. Steven Brundage, 25, Rubic’s cube expert

Golden Buzzer recipients

  1. Grace VanderWaal, 12, singer-songwriter
  2. Laura Bretan, 13, opera singer
  3. Jayna Brown, 14, singer
  4. Calysta Bevier, 16, singer
  5. Sofie Dossi, 14, contortionist
  6. Sal Valentinetti, 20, singer
  7. Jon Dorenbos, 35, magician
  8. Malevo, Argentinian male dance group

All Golden Buzzer recipients were voted through to the semifinal except AGT host Nick Cannon’s favourite, the 90-year-old dancer Dorothy Williams. The hopefuls are competing for the US$1 million (AU$1.3 million) cash prize and the highly coveted title of being "America's Got Talent" season 11 winner.

“America’s Got Talent” will go live again from the Dolby Theatre in Hollywood on Aug. 30, Sept. 6 and Sept. 13. It airs Tuesday and Wednesday in the US on NBC or every Saturday in Australia via FOX8.