Since John Lennon composed Lucy in the Sky with Diamonds in early 1967, fans and music critics alike have argued over the meaning of the song. Is it about drugs? Is it just a lyrical response to a drawing given Lennon by his 4-year-old son Julian? Is there some deeper meaning? Professor Tim Kasser goes beyond speculative explanations by applying innovative psychological methods to the song's lyrics and music. He deeply analyzes the song's linguistic...