Actually it was canceled because Nick wanted to keep doing new shows, and they thought it would make us happy. And they were shooting a season 2, but Nick decided not to continue it, so they didn't show it. And the cast said that they loved making the show, but they were all going into new projects. And they was 26 episodes so it was like a season 2!
i think that they canceled it becuase it didn't have enough good rating which i think is crazy because i think with season 2 there ratings would of been way higher now that gravity 5 and the perfs are kinda friends now and the could maybe introduce a new band to get in there way