In The Number Ones, I’m reviewing every single #1 single in the history of the Billboard Hot 100, starting with the chart’s beginning, in 1958, and working my way up into the present.

NEW YORK — André Popp, a French composer whose instrumental “Love is Blue” became a 1960s standard and an easy listening hit in the United States, died May 10 at his home in Puteaux, France ...