SECRET's comeback 'swing rhythm dance track' has been enjoying much success on the music charts after its release on January 6th. "Shy Boy" dominated digital music charts moments after its release and has managed to secure itself in the Top 5 of most charts.� Their title track is co-produced by Kang Jiwon and Kim Kibum, and features a fun swing rhythm, different from their stronger styles with past hits "Magic" and "Madonna." Their modern reinvention of the 1960s retro concept and cute choreography has captured hearts on today's Inkigayo, so check it out below! > Source + Photos: Newsen via Daum