IU - Midnight Walk
Isaac Hong - My Love by My Side

IU - Shopper
IU - Holssi
IU - Shh.. (Feat. HYEIN, WONSUN JOE & Special Narr. Pat
IU - Love wins all
IU - I stan U

IU - Naalungiaq annaasisoq

IU - Love wins all

Agust D, IU - People Pt.2 (feat. IU)

IU, Kang Seungwon - Mother Nature (H₂O)

IU - strawberry moon

IU - Drama
IU - Next Stop
IU - Winter Sleep
IU - You
IU - Love Letter

IU - LILAC
IU - Flu
IU - Coin
IU - Hi spring Bye
IU - Celebrity
IU - Troll (Feat. DEAN)
IU - Empty Cup
IU - My sea
IU - Ah puh
IU - Epliogue

IU - eight(Prod.&Feat. SUGA of BTS)

IU - Into the I-LAND

IU - Give You My Heart

IU - unlucky
IU - The visitor
IU - Blueming
IU - above the time
IU - Lullaby
IU - Love poem

Sung Si Kyung, IU - First Winter

IU - BBIBBI

IU - Autumn morning
IU - Secret Garden
IU - Sleepless rainy night
IU - Last night story
IU - By the stream
IU - Everyday with you

IU - Through the Night

IU - dlwlrma
IU - Palette (Feat. G-DRAGON)
IU - Ending Scene
IU - Can't Love You Anymore (With OHHYUK)
IU - Jam Jam
IU - Black Out
IU - Full Stop
IU - Through the Night
IU - Love Alone
IU - Dear Name

IU - Can't Love You Anymore (With OHHYUK)

IU - heart

IU - Shoes
IU - Zezé
IU - Twenty-three
IU - The shower
IU - Red Queen (Feat. Zion.T)
IU - Knees
IU - Glasses

IU - My old story
IU - Flower
IU - Pierrot laughs at us
IU - When love passes by
IU - Meaning of you (Feat. Kim Chang-Wan)
IU - Dreams in summer night
IU - 꿍따리 샤바라 (Kkungttari-Shabara) (Feat. Clon) - Boom L

Ulala Session, IU - Summer Love

IU - SOGYEOKDONG

High4, IU - Not Spring, Love, or Cherry Blossoms

IU - The Age Of The Cathedrals

IU - Monday Afternoon
IU - Follow The Moon

IU - Friday (Feat. Jang Yi-jeong of HISTORY)
IU - Crayon
IU - Love of B (With Park Ju-won)
IU - Everybody has secrets (Feat. GAIN of Brown Eyed Gi
IU - Between the lips(50cm)
IU - The Red Shoes
IU - Modern Times
IU - Bad Day
IU - Obliviate
IU - Walk with me, girl (Feat. Choi Baek-ho)
IU - Havana
IU - A Gloomy Clock (Feat. Jong-hyun of SHINee)
IU - Daydream (Feat. Yang Hee-eun)
IU - Wait
IU - (Bonus Track) Voice Mail (Korean Ver.)

IU - Love of B (With Park Ju-won)
IU - Everybody has secrets (Feat. GAIN of Brown Eyed Gi
IU - Between the lips (50cm)
IU - The Red Shoes
IU - Modern Times
IU - Bad Day
IU - Obliviate
IU - Walk with me, girl (Feat. Choi Baek-ho)
IU - Havana
IU - A Gloomy Clock (Feat. Jong-hyun of SHINee)
IU - Daydream (Feat. Yang Hee-eun)
IU - Wait
IU - (Bonus Track) Voice Mail (Korean Ver.)

IU - Beautiful Dancer
IU - Truth
IU - Fairytale
IU - Voice-Mail
IU - New World

IU - You & I (Japanese Version)
IU - Shounen Jidai
IU - You & I (Japanese Version - FPM Technorchestra Mix

IU - Peach
IU - Every End of the Day
IU - Don’t Like Her

IU - Good Day (Japanese Version)
IU - Rain Drop (Japanese Version)

IU - Friend (Live @ Tokyo International Forum 2012.09.1

IU - Aishiteru (Live @ Tokyo International Forum 2012.0

IU - Only I didn't know
IU - Scary Fairy Tale
IU - Only I didn't know (With Pianist Kim Kwang Min)

IU - Hold my hand

IU - Secret
IU - Sleeping Prince (Feat. Yoon Sang)
IU - Holding A Star In My Heart (Feat. Kim Gwang-Jin)
IU - YOU&I
IU - Wallpaper Pattern
IU - Uncle (Feat. Lee Juck)
IU - Wisdom Tooth
IU - Everything's Alright (Feat. Kim Hyun-Cheol)
IU - Last Fantasy
IU - Teacher (Feat. Ra.D)
IU - The Abandoned
IU - 4AM
IU - L'amant

IU, Kim Yuna - Ice Flower (Feat. Kim Se Hwang)

IU - Fifth Finger

IU - Because I'm a Woman
IU - Because I'm a Woman (PIANO VER.)

IU - Not like this
IU - What I'm doing slow
IU - Good day
IU - The night of the first breakup
IU - In a room alone
IU - Merry Christmas ahead (Feat. Chundung)

IU - Nitpicking (With Lim Seul Ong)
IU - Rain Drop

Sung Si Kyung, IU - It's you

IU, Na Yun Gwon - first love

IU - Love attack
IU - Taking a traing
IU - marshmallow
IU - Tear drops in the morning
IU - heart beating date

IU - Looking at you
IU - Boo
IU - pitiful
IU - A Dreamer
IU - Every Sweet Day
IU - lost child
IU - Four Without Me
IU - Well… (Feat. Mario)
IU - Graduation Day
IU - Feel So Good
IU - ugly duckling
IU - Face To Face (After Looking At)
IU - A Lost Child (ACOUSTIC VER.)
IU - Well… (ROCK VER.)

IU - ugly duckling
IU - lost child
IU - Well… (Feat. Mario)
IU - Feel So Good
IU - Every Sweet Day