Seoul (Seoul City Promotional Song)
- Girls' Generation / Super Junior
- Digital Single
- SEOUL (Seoul City Promotional Song) (서울시홍보송)
SEOUL (Seoul City Promotional Song) is the collaboration song between Girls' Generation and Super Junior. The song was used for the "Infinitely Yours" campaign for the promotion of Seoul's tourism. The commercials were mostly shown in Japan and China.
Not all the members from both groups participated in this release (although it was not individually credited). The eight participating members were:
- Girls' Generation: Taeyeon, Jessica, Sunny and Seo Hyun
- Super Junior: Kyuhyun, Ryeowook, Sungmin, Donghae