Moon Byul-yi (), more commonly known by the mononym Moonbyul, is a South Korean rapper and songwriter signed under RBW. She debuted as a member of the South Korean girl group Mamamoo on 19 June 2014, and later formed a duo with Solar as Mamamoo+ in August 2022. Moonbyul co-writes a majority of Mamamoo's output alongside the other members. As of February 2025, the Korea Music Copyright Association has 125 songs listed under her name, unless stated otherwise.
2014 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Piano Man" Piano Man colspan="2" Mamamoo (feat. Esna) "Gentleman" colspan="2" Bold denotes title track.
2015 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Um Oh Ah Yeh" (음오아예) Pink Funky colspan="2" "No No No" (갑과 을) colspan="2" "Um Oh Ah Yeh" (Acapella version) colspan="2" Bumzu (feat. 8Dro) "Secret Love" Good Life colspan="2" U Sung-eun (feat. Moonbyul) "Nothing" 2nd Mini Album colspan="2" Bold denotes title track.
2016 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Taller Than You" (1cm의 자존심) Melting colspan="2" "You're the Best" colspan="2" "My Hometown" (고향이) colspan="2" "Emotion" colspan="2" "I Miss You" colspan="2" "Recipe" (나만의) colspan="2" "Cat Fight" (고양이) colspan="2" Mamamoo (feat. Junggigo) "Friday Night" (금요일밤) colspan="2" Mamamoo "Memory" (그리고 그리고 그려봐; Draw & Draw & Draw) Memory colspan="2" "Décalcomanie" (데칼코마니) colspan="2" "New York" colspan="2" "I Love Too" (놓지 않을게) colspan="2" Bold denotes title track.
2017 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Yes I Am" (나로 말할 것 같으면)Purple colspan="2" "Finally" colspan="2" "Love & Hate" (구차해) colspan="2" "Aze Gag" (아재개그) colspan="2" "Open Your Mind" (마음아 열려라) Man to Man OST colspan="2" Girls Next Door (prod. by Jinyoung) "Deep Blue Eyes" Idol Drama Operation Team OST colspan="2" Bold denotes title track.
2018 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Star Wind Flower Sun" (별 바람 꽃 태양) Yellow Flower colspan="2" "Rude Boy" colspan="2" "Starry Night" (별이 빛나는 밤) colspan="2" "Spring Fever" (봄타) colspan="2" Moonbyul "Love & Hate" (구차해) (Acoustic Ver.)Selfish colspan="2" "In My Room" colspan="2" Mamamoo "Everyday" (매일 봐요) colspan="2" "Midnight Summer Dream" (여름밤의 꿈)Red Moon colspan="2" "Sky! Sky!" (하늘하늘) (청순) colspan="2" "Sleep in the Car" (잠이라도 자지) colspan="2" "No More Drama"Blue;s
"Wind Flower" colspan="2" "Better Than I Thought" (생각보단 괜찮아) colspan="2" "Morning" colspan="2" Bold denotes title track.
2019 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Where R You" White Wind colspan="2" "Gogobebe" (고고베베) colspan="2" "Waggy" (쟤가 걔야) colspan="2" "Bad Bye" colspan="2" "My Star" colspan="2" HA:TFELT (feat. Moonbyul) "Happy Now" rowspan="2" colspan="2" Mamamoo "Gleam" (다 빛이나) colspan="2" "Sleep Talk" 4colors colspan="2" "Wow" Search: WWW OST colspan="2" "I Miss You" Queendom Fan-dora's Box Part 1 colspan="2" "Universe"Reality in Black colspan="2" "4x4ever" colspan="2" "Better" colspan="2" "Hello Mama" colspan="2" "ZzZz" (심심해) colspan="2" "High Tension" (춤을 춰) colspan="2" Bold denotes title track.
2020 Artist Song Album Lyrics Music Credited With Credited With Moonbyul "Eclipse" (달이 태양을 가릴 때)Dark Side of the Moon colspan="2" "Mirror" "Moon Movie" colspan="2" "Snow" (눈) colspan="2" "Absence" (부재) 門OON colspan="2" SSAK3 (feat. Mamamoo) "Excited" (신난다) SSAK3 Special Album colspan="2" JeA (feat. Moonbyul) "Greedyy" colspan="2" Mamamoo "Travel"Travel colspan="2" "Dingga" (딩가딩가) colspan="2" "Aya" "Chuck" (척) colspan="2" "Good Night" (잘자) colspan="2" Moonbyul "A Miracle 3 Days Ago" Bold denotes title track.
2021 Artist Song Album Lyrics Music Credited With Credited With Mamamoo "Just Believe In Love"Travel (Japan Edition) colspan="2" "A Memory For Life" (애써) WAW colspan="2" Xydo (feat. Moonbyul) "Me Without You" (너 없는 난) Mamamoo "Mumumumuch" (하늘 땅 바다만큼)I Say Mamamoo: The Best colspan="2" "Happier than Ever" (분명 우린 그때 좋았었어) "Paint Me (Orchestral Version)" (칠해줘) colspan="2" "Starry Night (Orchestra ver.)" (별이 빛나는 밤) colspan="2" "Gogobebe (Rock ver.)" (고고베베) colspan="2" "You’re the best 2021" (넌 is 뭔들 2021) colspan="2" "I Miss You 2021" colspan="2" "HeeHeeHaHeHo Part.2" (히히하헤호 Part.2) colspan="2" "Piano Man 2021" colspan="2" "Ahh Oop 2021" colspan="2" "Decalcomanie 2021" (데칼코마니) colspan="2" "Aya (Traditional ver.)" "A little bit 2021" (따끔 2021) colspan="2" "Wind flower (Dramatic ver.)" colspan="2" "Um Oh Ah Yeh 2021" (음오아예 2021) colspan="2" "Don't Be Happy 2021" colspan="2" "Yes I am (Funk boost ver.)" (나로 말할 것 같으면) colspan="2" "Strange Day" WAW (Japan Edition) colspan="2" Moonbyul "Chemistry" Moonbyul (feat. Mirani) "G999"6equence colspan="2" Moonbyul (feat. Seori) "Shutdown" (머리에서 발끝까지) colspan="2" Bold denotes title track.
2022 Artist Song Album Lyrics Music Credited With Credited With Moonbyul "For Me" (너만 들었으면 좋겠다)6equence colspan="2" "What Can I Do?" (Ddu Ddu Ddu) (내가 뭘 어쩌겠니?) Mamamoo "Decalcomanie" (Japanese ver.)I Say Mamamoo: The Best (Japan Edition) colspan="2" "Wind flower" (Japanese ver.) colspan="2" "Starry Night" (Japanese ver.) colspan="2" "Gogobebe" (Japanese ver.) colspan="2" "Aya" (Japanese ver.) "Dingga" (Japanese ver.) colspan="2" "Mumumumuch" (Japanese ver.) colspan="2" "Shampoo" (Japanese ver.) colspan="2" "Smile" colspan="2" Moonbyul "C.I.T.T (Cheese in the Trap)"C.I.T.T (Cheese in the Trap) colspan="2" "My Moon" (반달) colspan="2" Mamamoo "1,2,3 Eoi!" (하나둘셋 어이!)Mic On "Illella" (일낼라) AleXa (feat. Moonbyul) "Star" Girls Gone Vogue colspan="2" Moonbyul "Present" The Present Bold denotes title track.
2023 Artist Song Album Lyrics Music Credited With Credited With Mamamoo+ "LLL"ACT 1, SCENE 1 "Chico malo" (나쁜놈) "Chico malo" (Aniri ver.) (나쁜놈) David Yong (feat. Moonbyul) "Maybe Love" (아마도 우린) Mamamoo+ "dangdang" (댕댕)TWO RABBITS "Save Me" (지구에 혼자 남게 된다면) Moonbyul "11:11" colspan="2" Bold denotes title track.
2024 Artist Song Album Lyrics Music Credited With Credited With Moonbyul "Like a Fool"Starlit of Muse rowspan="2" rowspan="2" "After Sunset" (그런 밤) Kim Jae-joong (feat. Moonbyul) "The Light"Flower Garden colspan="2" Moonbyul "Backpack" (백팩)Starlit of Twinkle colspan="2" "Dear." (어떤 하루에 어떤 시간 속에) colspan="2" Bold denotes title track.
2025 Artist Song Album Lyrics Music Credited With Credited With Moonbyul "Hoshiakari" (ほしあかり)Aurora colspan="2" "Because of you" Bold denotes title track.
See also List of songs recorded by Mamamoo
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References