1. "I Want to Be Happy" is Zhang Huimei's latest album in 2006 following "Maybe Tomorrow" in September 2004. "I Want to Be Happy" focuses on her early lyrical line.

2. The singer of the song "Happy Breakup" is Liang Jingru. The album "The Power of Love" was released on February 7, 2002. The entire song lasts 04:36.

3. The original singer of the song "I'm Very Happy" is Liu Xijun. This song is also her famous song. It was released on January 21, 2010 and was included in her first music album "Love Garden" middle. The song won the Mandarin Golden Melody Award in the 7th Golden Song King Golden Melody Awards in 2010; in 2011, it won the Mainland's Top Ten Golden Melody Awards in the 2010 Music Pioneer List; in the same year, it won the Top Ten Golden Melody Awards in the 2010 Pengcheng Gefeiyang.

4. "Happy Worship" was composed by Turtles (Korean turtle group Lin Sung-hoon), and the lyrics were written by Turtles and Ma Yufen. It was originally a Korean song, and later it was covered in Chinese by Wilber Pan and Angela Chang*** version.

5. "Happy Birthday to Me" is a song composed by Jay Chou and sung by Wen Lan. It was released in July 2004. The total duration of the duet version is 4 minutes and 18 seconds and is included in From Wen Lan's album "Wen Style Effect".