"Whenever You Need Somebody" by O'Chi Brown was recycled by the song's producers for an English singer who by time of his retirement in 1993 had sold approximately how many records worldwide?
O'Chi Brown: O'Chi Brown (born Doris Gubbins) is an English singer and songwriter born in Tottenham, London, England. O'Chi Brown:  The song's producers (Stock Aitken Waterman) would recycle the song for English singer Rick Astley a year later, and it would be the title of his debut studio album on PWL. Rick Astley: Richard Paul "Rick" Astley ( ; born 6 February 1966) is an English singer, songwriter and radio personality. Rick Astley:  By the time of his retirement in 1993, Astley had sold approximately 40 million records worldwide.
40 million