[1] Sorry, Sorry was a critically and commercially successful hit in Asia, becoming 2009's best-selling Korean-language album in South Korea, Taiwan, Thailand, China, and the Philippines.

Rap is also less presented in this album, having a majority of the songs dominated by R&B and harmonious vocals.

It draws from bubblegum pop to a lesser degree, unlike their previous albums.

Yoo reportedly wanted to create a song which is both equally fun and easy to listen.

Nick Bass, who has worked with international stars like Usher and Justin Timberlake, choreographed the dance for "Sorry, Sorry" with assistant staff Trent Dickens, showing the single's strong musical prominence.

[18] The second promotional single "It's You" was written by E-Tribe, famous for creating hits such as "Gee" and Lee Hyori's "U-Go-Girl".

TVXQ members U-Know and Micky wrote the rap and performed it in "Heartquake" and actress Lee Yeon-hee's vocals are also featured in "Club No.1.

Music Core and SBS's Popular Songs, and have been performing "Sorry, Sorry" on the same three programs every weekend until July 2009.

Starting June 1, Mnet's sister channel in Japan aired Super Junior documentaries and live performances weekly for seven months.

[3] It became the first #1 K-pop in the country, entering the Odyssey album chart one week after its release, and stayed in the charts for over ten consecutive weeks and eventually reached Gold status three months after its release in the country, selling 7,500 units.

The tour included songs from their previous albums and kicked off with three shows in Seoul, South Korea from July 17 to 19.

[4] The album debuted at #1 on the Hanteo Daily Charts, with approximately 30,000 copies sold, making it the biggest opening day for the group.

[37] Sorry, Sorry and both of its singles topped all of Taiwan's yearly, monthly, weekly, and daily Korean charts, thus becoming the best-selling Korean-language and international album in the country.

[2] Its long stay as #1 in Thailand's music charts broke records, and was also certified as a best-selling album.