Complex sentence: In its heartland, performances are an essential part of festivals and ceremonies, while the music has gained a profile outside its native regions thanks to the spread of migrant workers, for whom it remains an important cultural link with home.
Split into simpler sentences: In its heartland, performances are an essential part of festivals and ceremonies. Lam has gained a profile outside its native regions from the spread of migrant workers, for whom it remains an important cultural link with home.