YOLO。 YOLO's Lyrics Only once in life are the lyrics of the song of the same name YOLO, the song sung by Liu Yuning in Modern Brothers, the song written by Jia Ling and Jin Cancan, and the song composed by Lei Qian, which are the dream songs of the movie YOLO. This song was released on February, 2024 10, and included in the album YOLO of the same name. The first sentence is "I don't want to regret it", and the next sentence is "Forget it, don't start over".