alicia gardener, a music credit for usa today and christopher john farley, seen yor editorial director for features at that time wall street journal and author of game world. i want to talk about the research for one second. it s fascinating the idea of the sonic influence being the way you would measure influence. what do we think of it as a strategy? it demonstrates the desire and limitations and fallacy of using data analysis to deal with es at the time technical and cultural history. so much of the impact of something like the beatles and let s start with these are both revolutionary phenomenon that transformed the world. there is not a question. when you are talking about the beatles you are talking about a group that introduced the idea of being a band to the world. writing your own songs. the idea that you would change and evolve as a pop artist album to album. none of that will show up in a quantifiable statistical analysis. these are things that trance former presidented t