"Free as a Bird" by The Beatles returns to the top 10 on a pair of sales lists in the U.K. as the decades-old tune becomes a surprise bestseller again.

The Beatles see "Golden Slumbers" return to the charts, boosting Abbey Road as the classic track becomes a bestseller again in the band's home country of the U.K.

Chart success doesn’t necessarily determine the worth of either songs or the artists who recorded them. But there are some feats pertaining to the lists of the most popular or best-selling songs that ...