Base is the debut and only extended play by South Korean singer-songwriter Jonghyun, released on January 12, 2015 by SM Entertainment. Jonghyun collaborated with various artists for his album, such as Younha, Wheesung, Zion.T and Iron. His title song, featuring Iron as the rapper, is called “Crazy (Guilty Pleasure)” and was released digitally on domestic music sites on January 12, 2015, together with the …
