Part.2 - Art of Business

Do Study (2004)

Dreams come true (2004)

Family man (2009) (Feat. Taeil of Block B)

Hey june (2005)

Take a bow (2009) (Feat. KimMaster)

Sense of time (2010)

Cloud (2006)

Fever II (2011) (Feat. Skull, Park Kyung & P.O of Block B)

Bitch (2006) (Feat. Jubi of Sunny Hill)

TIME (2006)