COCORE, a band which began as Nirvana copy-band in 1995, has constantly worked on establishing its identity since its start. Since the 90's, the Korean live club scene has richly enlarged, and COCORE is one of the eminent alternative bands born in such scene. In the new album. Boyish, which shows the band's enwidened range of music realm, the band puts in musical experiences, surpassing the Nirvana style.