Good Vibrations - Live At Daughters Of The American Revolution Constitution Hall, Washington DC/1967

Brian Wilson told Rolling Stone magazine: "My mother used to tell me about vibrations. I didn't really understand too much of what she meant when I was a boy. It scared me, the word 'vibrations' - to think that invisible feelings existed. She also told me about dogs that would bark at some people, but wouldn't bark at others, and so it came to pass that we talked about good vibrations."

Brian Wilson called this song a "Pocket Symphony," and experimented with it over the course of 17 recording sessions. At the time, it was the most expensive pop song ever recorded, costing about $50,000 to make.

Brian Wilson worked on this obsessively. At the time, he stayed home and wrote music while the rest of the band toured. Wilson was just starting a very bizarre phase of his life where he would spend long periods in bed and work in a sandbox. During this period, many considered him a genius because of the groundbreaking songs and recording techniques he came up with.