 In Season 2, episode 3, "She Said, He Said, She Said", the song  playing during Nathans montage, "Circles", is actually performed by  Corbin Bleu. In Season 2, episode 8, "Chilloween", all of Melissas  drawings were done by Kristy Wu, and Jacksons song, "I Wont Stand  Alone", is sung and played by Johnny Pacar.