SE7EN’s second album “Must Listen” approaches to change the mainstream audiences’ idol star image of SE7EN that was seen through his first album “Just Listen.” The noticeable biggest change in his second album is SE7EN’s undeniable maturity in vocal skills. This album certifies SE7EN’s efforts in establishing himself as not just a popular icon in 2003 who can sing and dance but a true yet hard-working top R&B vocalist. Through this album, audiences will experience SE7EN’s matured and powerful side and different vocal styles.