special mashup pt. I ~ (30 songs in one:2NE1, 2am, 2pm, 4minute, After School, Beast, Big Bang, CN Blue, Davichi, F.Cuz, Gummy, Kara, Lee Hyori, Lee Jung Hyun, Mblaq, Rain, SNSD, Secret, Seo In Gook, Sistar, Super Junior, T-ara, U-Kiss, Wonder Girls, ZE: