Question: "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?

Context paragraphs:
Don't Say Goodbye (Rick Astley song): "Don't Say Goodbye" is a song written by Stock Aitken Waterman for Astley's multi-million-selling debut album "Whenever You Need Somebody" (1987).  Although the song was considered for worldwide release, it was only released in the Italian market in late 1988.

Rick Astley: Richard Paul "Rick" Astley ( ; born 6 February 1966) is an English singer, songwriter and radio personality.  His 1987 song "Never Gonna Give You Up" was a No. 1 hit single in 25 countries and won the 1988 Brit Award for Best British Single.  By the time of his retirement in 1993, Astley had sold approximately 40 million records worldwide.

Never Gonna Give You Up: "Never Gonna Give You Up" is a single by Rick Astley, released in 1987, written and produced by Stock Aitken Waterman.  The song was released as the first single from his debut album, "Whenever You Need Somebody" (1987).  The song was a worldwide number-one hit, initially in the singer's native United Kingdom in 1987, where it stayed at the top of the chart for five weeks and was the best-selling single of that year.  It eventually topped the charts in 25 countries, including the United States and West Germany.

Learning to Live (Without Your Love): "Learning to Live (Without Your Love)" is a song by English singer Rick Astley and English singer O'Chi Brown.  The song was originally released in 1986 as an album track on Brown's album "O'Chi".  Astley was uncredited on the album and received no royalties.

It Would Take a Strong Strong Man: "It Would Take a Strong Strong Man" is a song written by Stock Aitken Waterman for Rick Astley's multi-million-selling debut album "Whenever You Need Somebody".  It was another successful single for Astley, reaching number one in Canada, number ten on the U.S. "Billboard" Hot 100 and number one for one week on the Hot Adult Contemporary chart.  It was not released in the UK and most of Europe.

Whenever You Need Somebody: Whenever You Need Somebody is the debut studio album by British recording artist Rick Astley released on 16 November 1987 on RCA Records.  It is his best-selling album and, according to his own official website, sold 15.2 million copies worldwide.  The album is listed as the #136 best-selling album in Spain, and was the #7 best-selling album in the UK in 1987.

50 (album): 50 is the eighth studio album by English singer and songwriter Rick Astley.  It was released on 10 June 2016 by BMG.  It is Astley's first studio album in more than 10 years, following "Portrait" (2005).  In the United Kingdom, "50" became Astley's first number-one album since his 1987 debut album "Whenever You Need Somebody".  All songs in this album were sung, written and recorded by Astley himself.  The album was later released on 7 October 2016 in the United States, marking his first American release since 1993's "Body & Soul".

O'Chi Brown: O'Chi Brown (born Doris Gubbins) is an English singer and songwriter born in Tottenham, London, England.  She scored two hits on the Dance Club Songs, the most successful being "Whenever You Need Somebody," which hit number one in 1986.  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.

Hold Me in Your Arms (album): Hold Me in Your Arms is the second album by the British pop singer Rick Astley, released in November 1988 on RCA Records serving as the follow-up to his debut album "Whenever You Need Somebody".  Like his previous albums, half the record was written and produced by Stock Aitken & Waterman, and the other half were Astley's own compositions produced by PWL associates Phil Harding, Ian Curnow and Daize Washbourn.  The release of the album was delayed a few months due to a fire at PWL Studios destroying some of Astley's recorded material.  This would be Astley's last record with Stock, Aitken & Waterman, due to Astley wanting to leave behind the dance-pop sound of the producers, of wanting to shed his boy next door image, and wanting to focus on his original compositions on his albums, reappearing in 1991 with the soul album "Free".

You'll Need Somebody on Your Bond: "You'll Need Somebody on Your Bond" (later titled "You're Gonna Need Somebody on Your Bond") is a gospel song that is attributed to both tradition and to gospel blues musician Blind Willie Johnson.  Johnson first recorded the song in December 1930, although Delta blues musician Charley Patton recorded a similar "You're Gonna Need Somebody When You Die" in October 1929.  Over the years, several other musicians have recorded renditions of the song.

Supporting paragraphs: O'Chi Brown Rick Astley
Answer: 40 million