Question: In 1983, Kevin McAlea wrote English-language lyrics to a hit by what German singer?
Sentence (from "L'amour est bleu"): First performed in French by Greek singer Vicky Leandros (appearing as "Vicky") as the Luxembourgian entry in the Eurovision Song Contest 1967, it has since been recorded by many other musicians, most notably French orchestra leader Paul Mauriat, whose familiar instrumental version (recorded in late 1967) became the only number-one hit by a French lead artist to top the "Billboard" Hot 100 in America.
Relevant evidence: No