Various tracks contain samples of other songs, including "The End Times (Opening)" with "真実の爆弾(Shinjitsu no bakudan)" by King Giddra, "White Night" with "Nothing Can Stop Me" by Marilyn McCoo and Billy Davis Jr., "Mr. Doctor" with "Hasta Siempre" by Soledad Bravo, "Nocturne (Tablo's Word)" with "Once Upon a Time" by Donna Summer, "중독" with "Flashback" by Dee Dee Sharp, and "Broken Toys" with "Half Forgotten Daydreams" by John Cameron.
Various tracks incorporate samples from other songs, including "The End Times (Opening)" featuring "真実の爆弾(Shinjitsu no bakudan)" by King Giddra, "White Night" with "Nothing Can Stop Me" by Marilyn McCoo and Billy Davis Jr., "Mr. Doctor" with "Hasta Siempre" by Soledad Bravo, "Nocturne (Tablo's Word)" with "Once Upon a Time" by Donna Summer, "중독" with "Flashback" by Dee Dee Sharp, and "Broken Toys" with "Half Forgotten Daydreams" by John Cameron.