In the case of “Good Morning Good Morning,” John Lennon, the song’s chief writer for The Beatles, didn’t explain that it might have come from his own deep-seated frustrations with his daily life. But ...

For kids, Saturday morning is sacred. You wake up maybe around 7:30 a.m. and you head downstairs in your pajamas. You find your favorite cereal, pour it in your special giant bowl and add the milk.