Xuan Feng's best songs for whistling training are: A Dream of Duo Ai, Where is Spring, Losing Handkerchiefs, Little Male Birds Singing, Little Mushroom Picking Girl, Little Swallow and so on.

1. Dream of Duo Ai A

Dream of Duo Ai A is one of the best songs in Xuan Feng's whistling training. The melody is simple and easy to remember, suitable for beginners to practice whistling. The timbre of Duo Ai A Dream is pleasing to the ear, which can accurately express Xuan Feng's chirping and help Xuan Feng better master whistling skills. At the same time, it also has the function of cyclic playback, which can be played repeatedly, so that Xuan Feng can keep practicing for a long time. Therefore, "A Dream of Duo Ai" is one of the best songs for Xuan Feng to practice whistling.

2. Where is Spring

Where is Spring is the best song for Xuan Feng to practice whistling. This song expresses the longing for spring and the expectation for a new life by describing the sights and characteristics of spring. Xuan Feng flies and forages in spring, blowing out crisp sounds with his mouth, showing the beauty and vitality of spring. This song has a beautiful melody and simple lyrics, which is very suitable for training Xuan Feng's whistling skills.

3. Losing Handkerchiefs

Losing Handkerchiefs is one of the best songs for Xuan Feng to practice whistling. The lyrics of this song are simple and easy to remember, and the melody is beautiful, which can help Xuan Feng better master the rhythm and tone of whistling. By practicing this song, Xuan Feng can improve his playing skills and musical expression ability, so that he can give instructions more fluently and accurately. In addition, this song can also stimulate Xuan Feng's enthusiasm and interest in music, and make him more focused and enjoy the process of music in training.

4.

is one of the best songs for Xuan Feng to practice whistling. The lyrics and melody of this song are simple and easy to remember, suitable for beginners to practice whistling. The lyrics convey the happy voice of the little male bird, and convey the joy and excitement of the little male bird through music. At the same time, the melody of this song is pleasing to the ear, which can increase the interest of the little male bird.

5. Little Girl Picking Mushrooms

Little Girl Picking Mushrooms is a whistle song that is very suitable for Xuan Feng's training. This song takes the little male bird as the role and describes the wisdom and courage shown by the little male bird in the process of picking mushrooms. Through the training of this song, Xuan Feng can cultivate courage and wisdom and increase her social skills.

6. The Little Swallow

The Little Swallow is one of the best songs for Xuan Feng to practice whistling. Swallow is Xuan Feng's companion. She often practices whistling together, encouraging and cooperating with each other. This song shows Xuan Feng's love and training for the swallow by describing its image and whistling. At the same time, this song also conveys Xuan Feng's appreciation and affirmation to the swallows, encouraging them to continue to train hard and constantly improve their whistling skills.