note: songs that good day members sang/rec before through post-its, vlives & playlist mentions through message/programs/tweets/fancafe. [tags: ♪ cover songs by (name) / ♫ rec by (name)]

KOR

• 8282 - Davinchi ↝ ♪ hanadwigi, heejin & genie (vlive)
• All Of My Life - Park Won ↝ ♫ haeun (fansign post-it), lucky(the unit)
• Artist - ZICO ↝ ♪ hanadwigi (vlive)
• Breath - Lee Hi ↝ ♫ heejin (vlive)
• Bboom Bboom - Momoland ↝ ♪ good night + lucky (twitter)
• Contrail - MoonMoon ↝ ♫ genie (vlive), heejin & viva (the unit)
• Diary - Navi ↝ ♫ genie (vlive)
• Dimple - BTS ↝ ♫ viva (the unit)
• Downpour - I.O.I ↝ ♪ hanadwigi (vlive)
• Fear - Mino ft Taeyang ↝ ♪ hanadwigi (vlive)
• Goodbye My Love - Ailee (Goblin OST) ↝ ♪ hanadwigi (vlive)
• I - Taeyeon ↝ ♪ hanadwigi (vlive)
• I Believe - (Sassy Girl OST) ↝ ♪ hanadwigi (vlive)
• Little Star - Standing Egg ↝ ♪ heejin (the unit)
• Love Battery - Hong Jinyoung ↝ ♪ heejin (vlive)
• Marry Me - MAKTUB ↝ ♪ nayoon (twitter)
• My Love - Lee Hi (Scarlet Heart OST) ↝ ♪ hanadwigi (vlive)
• No Make Up - Zion.T ↝ ♪ lucky (the unit)
• Oh Boy - Red Velvet ↝ ♪ heejin (twitter)
• Pat Pat - EXID ↝ ♪ haeun (twitter)
• RESPECT - Team AOMG (Lil Boi, Sik-K & Geegooin) ↝ ♪ hanadwigi (vlive)
• Rewrite If I Can - Ailee ↝ ♪ nayoon (twitter)
• See Through - Primary (ft Zion.T) ↝ ♪ lucky (the unit)
• Spring Day - BTS ↝ ♫ jiwon (the unit)
• Steel - Venus ↝ ♫ viva (the unit)
• Story Only I Didn't Know - IU ↝ ♪ hanadwigi (vlive)
• Tears - So Chan Whee ↝ ♪ hanadwigi (vlive), heejin & genie (vlive)
• Tell Me That You Like Me - Bolbbangan4
• There Must Be Something - HA:TFELT ↝ ♪ haeun (vlive)
• To My Youth - Bolbbagan4 ↝ ♪ good night(vlive/youtube)
• Twinkle - SNSD TTS ↝ ♪ heejin (the unit)
• Read Me - HA:TFELT ↝ ♫ haeun
• What If - Taeyeon ↝ ♪ hanadwigi (vlive)
• Wine - Suran ↝ ♪ heejin (the unit)

ENG

• 1 Night - Muramasa (ft Charli XCX) ↝ ♫ heejin (twitter)
• A Thousand Miles - Vanessa Carlton ↝ ♪ haeun (vlive)
• All I Want From Christmas is You - Mariah Carey ↝ ♫ jiwon (the unit)
• All In My Head - Tori Kelly
• Almost is Never Enough - Ariana Grande ↝ ♪ heejin
• Bang Bang - Ariana Grande
• Boyfriend - Justin Bieber ↝ ♫ lucky (the unit)
• Gasoline - Troye Sivan) ↝ ♫ heejin (twitter)
• Caving - Justin Caruso (ft James Droll) ↝ ♫ heejin (twitter)
• Halo - Beyonce ↝ ♪ heejin (showcase, the unit)
• Honey - Kehlani ↝ ♪ heejin (twitter)
• My Everything - Ariana Grande ft Big Sean ↝ ♪ heejin (the unit)
• New Rules - Dua Lipa ↝ ♫ heejin (the unit)
• Paper Hearts - Tori Kelly ↝ ♪ heejin (vlive)
• Slide - Calvin Harris ↝ ♫ heejin (twitter)
• Tokyo - Lianne La Havas ↝ ♫ heejin (twitter)
• Unsteady - X Ambassador ♪ heejin (twitter)
• Wild - Troye Sivan ↝ ♫ heejin (the unit)