just because it's on the web doesn't make it true, but:
"Los Bravos were a Spanish quintet. They are one of the few Rock groups from a non-English speaking country to have an international hit.Lead singer Mike Kogel's voice sounded so much like Gene Pitney's that many listeners assumed that "Black Is Black" was a Pitney single.
A French female disco group called La Belle Epoque recorded this in 1977. Their version hit #2 in the UK. (thanks, Edward Pearce - Ashford, Kent, England, for above"