Singer Edith Piaf is widely regarded as one of the great voices of the 20th century, a fact certainly not lost on her most dedicated interpreter and contemporary French chanteuse, Nathalie Lermitte.

“I have to say that I’m always in love,” Édith Piaf stated during a 1961 interview on the French television music show Discorama. “I never knew a moment when I wasn’t.” The French singer and ...