[Jessica] Hey boys, no more worries, put on a smile for me Hey girls, no pain no gain is what they say, right [Tiffany] Ok, no need to stress, ok, brush it off your chest Through the rain there's a brighter day, don't worry be happy [Taeyeon] Eojireo wo jukgesseo mwoga geuri mari manha [Seohyun] Mom seori seori chyeo jineun inal jombwa [Jessica] Nuga meonjeo geuman jom hae jogeum man chama gwaen chanha [Sunny] I'm sorry, sorry nuga meonjeo malhaebwa [Yuri] Ooh, boys, ooh, girls, [Yuri/Yoona] be happy, hey, be happy, hey [Tiffany] Ooh, boys, ooh, girls, [Sunny/Hyoyeon] be happy, hey, be happy, ha [Jessica] Ireo kung jeoreo kung mwoga geuri mari manha [All] Oh, utja utja geunyang useo beorija [Taeyeon] Iraera jeoraera apeun mareun haji mara [All] Oh, utja utja geunyang useo beorija Ha, ha, ha, ha, ho, ho, ho, ho, [Yoona] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Sooyoung] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Seohyun] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Yuri] geunyang utja [Yuri] Hey boys, gogae sugiji malgo geunyang keuge useobwa Hey girls, jjajeung nago dap daphaedo it's gonna be alright [Tiffany] Smile for me, alright, smile for me, alright Through the rain there's a brighter day, don't worry be happy [Jessica] Saram deuri moduga apeudago ureodo [Sunny] Oh, dori dori jal dwelgeoya gwaen chanha [Tiffany] Apeudago datumyeon jeongmari geon ani janha [Seohyun] Nae soni soni anirago hajanha [Sooyoung] Ooh, boys, ooh, girls, [All] be happy, hey, be happy, hey [Hyoyeon] Ooh, boys, ooh, girls, [All] be happy, hey, be happy, ha [Seohyun] Ireo kung jeoreo kung mwoga geuri mari manha [All] Oh, utja utja geunyang useo beorija [Taeyeon] Iraera jeoraera apeun mareun haji mara [All] Oh, utja utja geunyang useo beorija Ha, ha, ha, ha, ho, ho, ho, ho, [Yoona] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Yuri] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Jessica] geunyang utja Ha, ha, ha, ha, ho, ho, ho, ho, [Seohyun] geunyang utja [Tiffany] Don't worry, worry, don't, don't worry baby [All] Be happy, hey, be happy, hey [Sooyoung] Don't worry, worry, don't, don't worry baby [All] Be happy, hey, be happy, ha [Jessica] Ireo kung jeoreo kung mwoga geuri mari manha [All] Oh, utja utja geunyang useo beorija [Taeyeon] Iraera jeoraera apeun mareun haji mara [All] Oh, utja utja geunyang useo beorija [Taeyeon] Can you feel me? [Sunny] Ireo kung jeoreo kung mwoga geuri mari manha (hey, listen everybody, c'mon! ) [All] Oh, utja utja geunyang useo beorija [Taeyeon] Iraera jeoraera apeun mareun haji mara [All/Sunny] Oh, utja utja geunyang useo beorija