Lead single "Explosive" was released as a double A-side with a different version of "Highly Strung".

This updated version featured on the special edition of Classified.

Popular worldwide, Classified found success in Australia where it went double platinum.

"Explosive" was also picked to be the Australian theme for the 2004 Athens Olympic Games.

"Explosive" is also used regularly during New York Rangers ice hockey games at Madison Square Garden as the intermission music prior to a shootout, should the game reach that phase.