Alyssa Monas sits before a half-dozen toddlers, clutching a steady old friend, the $150 acoustic guitar her mother bought for her on a cable shopping network ages ago. “Good morning, friends,” Monas ...

Some of The Beatles‘ songs are perfect for kids. After all, Paul McCartney said one of the Fab Four’s most famous hits was meant for children. In addition, one of The Beatles’ greatest social ...