“The trouble with cutting-edge rock music, I’ve long maintained, is that it doesn’t address relevant themes, such as driver courtesy. So I feel much better about rock since I heard a song called “Whoever You Are” by a group called Geggy Tah. The song goes like this: “All I want to do is to thank you/Even though I don’t know who you are/You let me change lanes/While I was driving in my car.”