Makna lagu For Youth "For Youth" merupakan lagu terakhir yang menutup album Proof sekaligus menjadi benang merah yang menyatukan sisi sentimen dari lagu-lagu masa lalu BTS. Lagu "For Youth" mengajak penggemar bernostalgia dengan kisah masa muda saat para member pertama kali debut pada 2013.
Cause I'm Mrs. Snow, 'till death we'll be freezing. Yeah, you are my home, my home for all seasons. So come on let's go. Let's go below zero and hide from the sun. I'll love you forever where we'll have some fun. Yes, let's hit the North Pole and live happily. Please don't cry no tears now, it's Christmas baby.In the beginning, no matter the day. Beyond the tears that are concealed in the rain. I'm waiting, let's start over. So that in the future, with a smile, we can meet again. Right now, so that. I'm able to let go of your hand. I gotta let you know that I need to let you go. Hard to say goodbye. But I won't run away. BTS merilis lagu "Spring Day" pada 13 Februari 2017 yang merupakan lagu utama dari album repackaged "You Never Walk Alone".RM, sang rapper mengatakan bahwa lagu ini terinspirasi oleh film Snowpiercer dan buku The Ones Who Walk Away From Omelas.. Berkat kepopulerannya, lagu ini mendapatkan penghargaan "Best Song Of The Year" pada ajang Melon Music Awards pada tahun 2017, Toppers.