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Producer Jack has been keep track of the Top 40 music charts since 2005 and also has been an avid member of the radio industry since 2006. Before starting the MTI Countdowns in 2008, he did some amateur radio broadcasting ("DJing"). In his spare time, he likes to listen to JPop, terrestrial radio and hanging out with friends. Connect with Producer Jack through sending him an email at info@jtop10.jp!