Leeteuk and Eunhyuk confirmed on their radio show "Super Junior Kiss the Radio" on June 1, 2011 that they had begun recording their upcoming album that day.
Leeteuk dan Eunhyuk mengkonfirmasi di acara radio mereka "Super Junior Kiss the Radio" pada 1 Juni 2011 bahwa mereka telah mulai merekam album mendatang mereka hari itu.