- Band Name: 3rd Line Butterfly
- Hangul: 3호선 버터플라이
- Genre: Indie Rock / Alternative
- Band Members:
- Ki-wan Seong (성기완) - Guitar & vocal
- Sang-ah Nam (남상아) - Guitar, vocal & package artwork
- Kyu-hyeong Kim (김규형) - Bass
- Sang-woo Kim (김상우) - Drum
- Whiru (휘루) - fiddle, web artwork & vocal
- Nam-yun Kim (김남윤) - Keyboard
- 3rd Line Butterfly scored the soundtrack for the 2002 MBC drama Ruler of Your Own World (Ne meotdaero haera).
- 3rd Line Butterfly's track "그녀에게" (Neunyeo Ege / To Her), from Time Table, appeared in the 2003 film ...ing.
Music Video "스물 아홉 문득"(29 Suddenly) / Time Table