Earlier today, singer and former H.O.T. member, Tony An, unleashed his first music release since his military discharge back in September of 2010. The musical release was in the form of a single titled, "Thank U," and features guest raps from Supreme Team's Simon D. The single was released as a gift for for his fans, ahead of his mini-album which is slated for release on April 4th. Just hours ago, Tony released a video teaser for an upcoming track on the mini album titled "Top Star." Check it out below! Tip: NICOLE