track, "Mr. Simple", being the last installation of the "SJ Funky" genre in which the group has been consistently pursuing since "Sorry, Sorry" (2009) and "Bonamana" (2010). Songs encompassed with synthpop elements include "Opera", "Be My Girl", "Walkin'" and "My Love My Kiss My Heart". Other tracks included in the album are the country-flavored tracks "Good Friends" and "Sunflower", an electropop number "Feels Good", a cover of a 1996 song by Jinu (hitchhiker) entitled "White Christmas", ballads "Storm" and "Memories", a Donghae-Chance-written track "Y", as well as the inclusion of subgroup Super Junior-M's Korean version of their 2011 title track "Perfection", in which it serves a purpose "to give a chance to Korean fans to enjoy the music of Super Junior-M which is appearing in various stages in Asia." Meanwhile, for the B-version of the album, a further-included track "Superman" is described to be "a minimalist hip-hop track which feature the members singing in a low vocal range." On July 22 to 24, 2011, the group filmed the music video for their new lead single. Two video teasers were released on August 1, 2011, in which the first teaser gained a million views on YouTube a day after its release and 2,500,000 views by the second day. Meanwhile, the second teaser passing a million views by the second day. The music video reached more than half a million views within the first few hours of release. It passed 1.5 million views by the end of the first day, and 3 million by the end of the second, views. Currently, the music video has over 100 million views. On August 26, 2011, a music video for the album's supporting single, "Superman", was released on their YouTube channel, featuring clips from their Super Show 3 Tour as well as the photoshoots and music video making for "Mr. Simple". On November 1, 2015, the music video officially reached 100 million views on YouTube. On July 30, 2021, the music video officially reached 200 million views on YouTube. Promotion and release The group held a press conference at the Imperial Palace Hotel in Seoul on August 4, which attracted over 200 reporters, including 70 foreign journalists from Japan, China, Taiwan, Thailand, Hong Kong and Singapore The group expressed that they will promote the album for as long as possible till Heechul's enlistment date and also to continue with Super Show 4 World Tour. Super