Simple piano songs include Little Star, Ode to Joy, City in the Sky, Fairy Tales and The Wind is Rising.

1. Little Star: This song is a must for beginners, with simple melody and easy to use. Through this piece of music, you can practice the flexibility of your fingers and master the basic arrangement rules of keys.

2. "Ode to Joy": The melody of this piece is light, which brings people a sense of pleasure and happiness. Through this piece of music, you can practice the coordination and rhythm of your fingers, and at the same time you can get familiar with some basic music theory knowledge.

3. City in the Sky: This piece was composed by Japanese musician Joe Hisaishi, with beautiful melody, which is very suitable for beginners. Through this piece, you can practice the flexibility of your fingers and master some basic chord knowledge.

4. Fairy Tales: This song is a classic children's song, with a simple and easy-to-learn melody, which is very suitable for beginners. Through this piece of music, you can practice the coordination and rhythm of your fingers, and at the same time you can get familiar with some basic music theory knowledge.

5. The wind is blowing: This piece is a brisk sketch with a beautiful melody, which is very suitable for beginners. Through this piece, you can practice the flexibility of your fingers and master some basic rhythms.