Lucy O’Donnell was 4 years old when she attended the upscale Heath House School in Weybridge, Surrey, England. One of her best friends there was John Lennon’s son, Julian, who arrived at school each day in a Rolls-Royce.

One well-placed — and unusual — word in a song title can make a big difference.

From 1974 to 1982, Sweden’s ABBA quartet sold a reported 400 million discs while leaving behind a legacy of now-classic creations. And, along the way, ABBA heard no complaints from the owner of a Swedish fish-canning factory. (More about that later.)

Did Paul McCartney ever consider “Band on the Run” to be jinxed? If he did, there had been a couple of good reasons to think so.

Ooga-chaka ooga ooga

Sunshine on my shoulders makes me happy

Sunshine on my shoulders makes me happy