I'm a SNSD fan. I watched Star Golden Bell, Invincible Youth and Family Outing because of SNSD. I liked Hara and Nicole but not Kara's songs that I heard (Wanna).
Then one day just decided to search them from Youtube. At first I didn't find songs that I like, but then found Rock U. Listened that song about 27 times in a row. Liked the album too and now like almost all of their songs.