J-14 had an awesome time at the One Is Greater Than None Benefit Concert at the Hammerstein Ballroom in NYC this past weekend. Not only did we get to watch two of our fave music acts -- Graham Colton and Saving Jane -- rock out, we also saw the first-ever performance by the new boy band, WOW, and heard Long Island faves Push Play cover Katy Perry's "Hot N Cold." Too cool!

Not only was the night super fun, it also supported a great cause. One Is Greater Than None is a non-profit organization started by eight girls from Long Island, NY, who are just like you! Inspired by an Oprah episode, "The Little Boy Oprah Couldn't Forget," the girls set out to raise money and awareness to help free children in Ghana who were sold into slavery. Check out our shout-out videos and pics from the concert below, and to find out more about the cause, visit oneisgreaterthannone.org,