The medley includes: Girls' Generation's "Gee", "Way to Go", "Into the New World", "Baby Baby", "Girls' Generation", AOA's "Confused", "Like a Cat", "Miniskirt", f(x)'s "NU ABO", "Chu", S.E.S' "Just In Love", "I Love You", "I'm Your Girl", "Just a Feeling", Fin.K.L's "White", "Forever Love", "Blue Rain", SISTAR's "Alone", "Loving U", SECRET's "Magic", "Shy Boy", A Pink's "My My", "Mr. Chu", "No No No", MAMAMOO's "Um Oh Ah Yeh", Red Velvet's "Happiness", EXID's "Up & Down", Wonder Girls' "Be My Baby",�Crayon Pop's "Bar Bar Bar", Orange Caramel's�"Catallena", KARA's "Rock U", 4minute's "What's Your Name", Brown Eyed Girls' "Abracadabra", and April's own "April Story" and "Tinkerbell".

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Check out the medley above. Can you hear all the songs?