On April 24, NCT 127 kicked off their very-first North American tour with an explosion of fiery pyrotechnics, coordinated-and-chaotic clothes and three surprise songs for an arena full of fans. The Prudential Center date of their Neo City – The Origin tour was not only ambitious in the boy band's first U.S. solo concert was an arena date but also in the way the setlist and the members themselves were filled with surprises.

The concert started off in a similar fashion to the Seoul date for the Neo City earlier this year, kicking off with "Cherry Bomb" (but the English version for the U.S. crowd) with a mix of high-tempo hits ("Come Back," "Chain") blended in with hints of the band's R&B sensibilities (like "Back 2 U"). Early parts of the show seemed troubled by production issues with many of the stage LED screens blank, which made performances like that of "Limitless" -- which saw the members moving in-and-out-and-behind the screens -- feel confused and somewhat empty. Still, once the production stepped up to the band's energy, the surprises became all the more elevated and exciting.

The first surprise came when the band delivered a rendition of "Jet Lag," a currently unreleased track set to appear on the band's forthcoming NCT #127 We Are Superhuman EP that drops in late May. Fans were treated to the band's romantic side with a song that started as a stark piano ballad before jazzy kick-drum was added to the band's blend of boy-band belts and harmonies. Fans were of course on hand to record the new performances that will have to do until the new music comes.