For those who don't know him, Yoo Young Jin is the biggest in-house producer in SM and he contributed a lot to shaping the sound of most SM groups. He was responsible for songs such as Super Junior's Sorry Sorry, Bonamana, Mr Simple and Super Girl, SHINee's Ring Ding Dong, Lucifer and Atlantis, SNSD's Genie and I Got A Boy, TVXQ's Rising Sun, Keep Your Head Down, Something and Spellbound, EXO's MAMA, History and What's Love, NCT's Boss, Baby Don't Stop, Hot Sauce and Sticker, Aespa's Next Level, Aenergy and Savage and many many more. You can find the full list here : https://en.m.wikipedia.org/wiki/Yoo_Young-jin
So what are your favorite songs from his?