SNSD fans are buzzing about a mysterious track named "Boomerang", which went viral after being�uploaded onto several portal sites a few days ago. Rumor has it that "Boomerang" was created back in 2009 for SNSD, but was instead replaced by "Gee". Just as the song name implies, the track has returned after being discarded. Check out "Boomerang" below and tell us what you think. Tip: Anne