1. "Twinkle, twinkle, little star"-This is a classic children's song with a simple and easy-to-remember melody, which is very suitable for teaching babies to know letters and numbers.

2. "Oldmacdonaldhaarm" ("Old Maidan has a farm")-The lyrics of this song are easy to understand and can help babies learn the names and actions of animals.

3. "the wheels on the bus"-this is a very interesting song, which can help the baby learn the name and shape of the vehicle.

4. "If you're happy and you know it" ("If you are happy, you know it")-The melody of this song is light and cheerful, which can let the baby learn how to express his feelings.

5. "Head, shoulders, knees and toes"-This is a very popular children dance song, which can help babies learn the names and movements of various parts of the body.

6. Baby Shark (Little Shark)-This popular song is very popular all over the world. Its melody is simple and easy to remember, so that babies can learn English letters and numbers.

7. "The HokeyPokey"-This is also a very interesting song, which can help the baby learn simple movements and rhythms.

8. "B-I-N-G-O" ("B-I-N-G-O")-The melody of this song is simple and easy to remember, which can help the baby learn letters and pronunciation.

9. "Row, row, row your boat"-this classic nursery rhyme can help your baby learn the past tense of verbs.

10. "Let's go swimming"-The melody of this song is light and cheerful, which can help the baby learn swimming movements and instructions.