@JellyKat, Oh well that's alright too. You can put anything - any genre - as long as it will be made into a story. Say, you're listening to an instrumental melody and the feelings that you have when you listen to it can be put and describe into the story. You may also imagine yourself as the main character maybe walking down the street or whatever feeling sad/happy based on the music/melody that inspired you. Does that make sense? :)
The song being just intruments, because that is the majority of what I listen to. The rest involves some rather depressing lyrics. Oh yes and musicals songs are cool too.