Zài zhè shǒu gē zhōng, dōngxīfāng de yīnyuè fēnggé hé ér wéi yī.
In this song, Eastern and Western musical styles merge into one.
Tips
usage
合而为一 is often used to describe a merger, fusion, or unification — of companies, cultures, philosophies, or people. It carries a positive, harmonious connotation.