Oh usually I either have a podcast on, a long form YouTube video that I know I can just listen to the commentry of...
But if I'm writing something and I really need to focus, I like putting on instrumentals of music. I do think it's true that sometimes you could get caught up with the words and lyrics of a song, but the actual melodies can really hit you in a way that helps you get in the head of a character, a scene or so on.