"The moon can represent my heart", "Keep the sadness to yourself" and "Daylilies".

1. "The Moon Can Represent My Heart" is a duet song sung by Yang Kun and Xiao Qiang in "Wonderful Music Collection".

2. "Keep the Sadness to Yourself" is a duet song sung by Yang Kun and Huang Li.

3. "Hemerocallis" is a song sung by Yang Kun and Rainie Yang in "The Flashing Band".