There are dozens of subcategories under the six categories, namely:
Light music: Bandari, roaming songs, lullabies.
Classical music: symphony, concerto, waltz.
Chinese education: nursery rhymes, fairy tales, poetry puzzles, fairy tales, children's stories and fables.
China Ancient Culture: Idiom Stories, China Ancient Classics, Tang Poetry and Song Poetry.
Foreign language training: German, French and Italian nursery rhymes, Japanese and Korean nursery rhymes, English nursery rhymes and English stories.
Scientific literacy: scientific stories, 100,000 whys and mathematical nursery rhymes.
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