Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts.

At the end of November, fans in Mexico City beat the Guiness record for the most Beatles impersonators to gather in one place. Dressed as the band in circa Sgt. Pepper disguises, 294 people got… By ...

Some songs are so timeless, so anthemic and so succinct that audiences can't help but return to them again and again. John Lennon's "Imagine" is almost certainly one of them. In October of 1971, ...