IU's Best Deep Album Cuts: 'The Shower,' '23' & More

IU 2015
Han Myung-Gu/WireImage

IU attends the press conference for KBS drama 'Produca' at The RAUM on May 11, 2015 in Seoul, South Korea.

Want to dive deep into the K-pop superstar's back catalog? Here are the 10 songs to start with.

IU has made her return to the musical scene with a new EP Chat-Shire which lands at No. 19 on Billboard's Heatseekers Albums chart, her first appearance on the chart, and No. 4 on World Albums this week, tying her best rank ever on the chart. The release is yet another must-hear from the singer's remarkably strong discography.

Every IU release is cause for celebration on the K-pop scene and the charts always immediately feel the young singer's impact -- from her singles and the deep cuts. Wrap your head around the hype for Korea's musical sweetheart with 10 essential non-singles from her albums that, for the record, are worth full listens -- a phenomenon rare in K-pop.