Amberland X (May 2011) was the first of the festivals to feature opening acts, with bands like Moon Taxi, Zoogma, Mantras, Under The Porch, Former Champions, and Noise[Org] who all opened for P-Groove during their regular touring seasons.
Amberland X (May 2011) was the inaugural event to include supporting acts, with bands such as Moon Taxi, Zoogma, Mantras, Under The Porch, Former Champions, and Noise[Org] performing in advance of P-Groove's scheduled shows.