The Billboard Top 40 chart is depressingly male-dominated right now. Women may make up 50% of society, but 72.5% of songs in this week’s Top 40 were performed by male singers. This week is worse, ...

John Lennon had a knack for stand-alone Top 40 songs. As the following countdown shows, five of his 14 trips to Billboard’s main singles chart weren’t originally part of any original album. Included ...