Inquiring as somebody who will not discuss Arabic: Googling هذه ليلة وألف ليلة provides me the guide "1001 nights" Because of this. Is there an opportunity that what he sings is "This is often 1001 nights"? . Prepared mostly by Piaf, it was launched as only one in 1947 https://atozbookmarkc.com/story18537388/a-review-of-la-vie-en-rose-translation