Complex sentence: Dubstep and drumstep has become a popular genre in the early 2010s on both sides of the Atlantic, especially in its native United Kingdom; in the UK, other electronic genres such as grime and trap have also been growing in popularity.
Split into simpler sentences: Dubstep and drumstep became a popular genre in the early 2010s on both sides of the Atlantic Ocean, especially in its native United Kingdom. In the United Kingdom, other electronic genres, such as grime and trap, have also been growing in popularity.