Crossover music refers to songs or genres that blend elements from different musical styles, appealing to a broader audience. This can include combinations of genres like pop, rock, country, and hip-hop. Artists often experiment with various sounds and influences, creating unique tracks that resonate with fans from different musical backgrounds. The term is also used to describe artists who successfully transition between genres, gaining popularity in multiple markets. For example, Taylor Swift started in country music and later embraced pop, while Lil Nas X merged country and rap in his hit "Old Town Road."