Bobrova & Soloviev's SD
SD Don't Mean a Thing (If It Ain't Got That Swing); I Will Wait For You; Swing Baby by Park Jin Young
http://www.youtube.com/watch?v=9aItNp2myYE&feature=c4-overview&list=UUjaUiznBS9O3SeqwqlIc4UQ
Interesting that they're using the music cut from Park Jin Young, who is a well-known music producer in Korea (he also runs one of the three major music management companies in company called JYP (his initials obviously and what people call him over there). Am curious where they came across his music...
Here's JYP performing the song: http://www.youtube.com/watch?v=SMxm0XPObzY