"Sudden Self" is a pop and rock song. Songs of the same type are as follows:

1. "Roman Love Song" was written by Taiwanese male singer and musician Wu Bai. A song composed and sung by Wu Bai in his album "Roman Love Song" released on December 16, 1994.

2. "Norwegian Forest" is a song sung by Wu Bai. It was written, composed, and arranged by Wu Bai. It is included in Wu Bai's album "The End of Love" released in 1996. This song is one of Wu Bai's masterpieces.

3. "Then Let It Be" is a song sung by Power Train in 1999. It was written and composed by Ah Xuan and arranged by Jiang Jianmin. Included in the album "Goodbye My Love" released in December 1999.

4. "Meet Again" is a song written, composed and sung by Taiwanese male singer and musician Wu Bai. It is included in Wu Bai's album "Bridge of Tears" released on December 5, 2003. .

5. "The World's No. 1" is a song once performed affectionately by Andy Lau and Wu Bai. The original singer is Andy Lau, and Wu Bai wrote it to Andy Lau. Andy Lau once sang this song at the 1999 Coliseum concert.