Cheerful and classic old songs include: "Jasmine", "Windmill", "Butterfly Lovers", "A Laugh from the Sea", and "The Moon Represents My Heart".

1. "Jasmine"

This song is a Han folk song, using the national mode, with beautiful melody and graceful and moving. The lyrics describe a young woman's yearning and pursuit of love. Through simple lyrics and smooth melody, it conveys profound emotions and connotations. The song adopts the melody of Han folk songs and expresses people's yearning and pursuit of love through concise tunes.

2. "Big Windmill"

This is a children's song with a simple and easy-to-learn melody, using cheerful rhythm and bright melody. The lyrics describe the children growing up in the company of a big windmill, full of innocence and happiness. The song uses a bright melody and simple lyrics to tell the story of children growing up in the company of a big windmill. It is full of childlike interest and happiness.

3. "Butterfly Lovers"

This is a violin concerto with a beautiful and moving melody, which adopts the musical form structure of classical music. It is based on the love story of Liang Shanbo and Zhu Yingtai, and expresses this classic love story through music, which is deeply loved by music fans. With the violin as the main melody, this piece expresses the love story of Liang Shanbo and Zhu Yingtai through beautiful melody and touching emotions.

4. "A Laugh in the Sea"

This is a passionate song with a bright rhythm and a bold melody. The lyrics are bold and open-minded, expressing the pursuit of freedom and passion, and are widely loved by young people. With its bright melody and bold lyrics, the song expresses the pursuit of freedom and pride, making people feel the pride and freedom.

5. "The Moon Represents My Heart"

This is a love song with a beautiful and moving melody, using commonly used music rhythm and musical structure. The lyrics are affectionate and moving, expressing the infinite cherishing and pursuit of love, and are widely popular. With its beautiful melody and affectionate lyrics, the song expresses the infinite cherishing and pursuit of love, making people feel the beauty and true meaning of love.