According to QQ music query, the song "Little Apple" was sung by chopsticks brothers and composed by Wang Tairui. Included in the album "old boys Dragon Crossing the River", released in July 2004.
Some lyrics are as follows: "You are my little apple, and I can't love you too much. My little red face warmed my heart and lit the fire of my life. You are my little apple, just like the most beautiful cloud on the horizon. Spring comes to the hillside full of flowers, and if you plant hope, you will gain. "