Ça plane pour moi 4 in Ireland, and No. 2 in Netherlands (behind Boney M.'s "Rivers of Babylon"). It also topped the Swiss Charts for one week and the French charts for 2 consecutive weeks. In Oceania, the song peaked at No. 7 in New Zealand, and No. 2 in Australia in early January 1979. On the other side of the Atlantic, "Ça plane pour moi" entered the "Billboard" Hot 100, a feat for a French-language song because only "Dominique" by the Belgian singer The Singing Nun and "Je t'aime... moi non plus" by French and English singers Serge Gainsbourg and Jane Birkin, respectively
The Singing Nun Cemetery in Wavre, Walloon Brabant, the town where they died. The inscription on their tombstone reads "J'ai vu voler son âme/ A travers les nuages" (English: "I saw her soul fly through the clouds"). In 1996, "The Tragic and Horrible Life of the Singing Nun" premiered Off-Broadway at the Grove Street Playhouse. The play, which was written and directed by Blair Fell, was loosely based on the events in Deckers' life. The production featured several musical numbers and followed the renamed character Jeanine Fou's life from her entry into the convent until her death with Pécher. The "New York Times"