Question: Which 1982 number-one single by Paul McCartney and Stevie Wonder was released on 29 March where Ruth Brewer Eisenberg and Margaret Patrick were the duos?

Context articles: Ebony and Ivory
Ebony and Ivory (piano duo)
Recorded Live: The 12 Year Old Genius
Ribbon in the Sky
Dalton Delan
You Are the Sunshine of My Life
Margaret Patrick
Superstition (song)
Ruth Brewer Eisenberg
Jacob Eisenberg (musician)

"Ebony and Ivory" is a 1982 number-one single by Paul McCartney and Stevie Wonder.
 It was released on March 29 of that year.
 The song is featured on McCartney's album "Tug of War".
 A self-empowerment hit that tackles issues of racial equality, the song reached number one on both the UK and the US charts.
 It reappears on McCartney's "All the Best!
" hits compilation (1987), and also on the UK two-disc version of Wonder's "The Definitive Collection" greatest hits compilation (2002).
 In 2013, Billboard Magazine ranked the song as the 69th biggest hit of all-time on the "Billboard" Hot 100 charts.
Ebony and Ivory was the name given to two elderly women in New Jersey, one white and one black, who played classical piano together.
 Both had suffered a stroke in 1982 and become partially disabled.
 Ruth Eisenberg and Margaret Patrick were introduced to each other the following year and began playing piano together, one hand each.
 A reporter covering their story dubbed them "Ebony and Ivory" after the 1982 hit song by Paul McCartney and Stevie Wonder.
Recorded Live: The 12 Year Old Genius is the first live album by Stevie Wonder.
 The album was released on the Tamla record label (catalog #240) in May 1963, the same month as the single release of "Fingertips" (catalog #54080).
 "Fingertips" topped both the "Billboard" Hot 100 chart and the R&B Singles chart, and "Recorded Live: The 12 Year Old Genius" topped the "Billboard" 200, all of which happened in 1963.
 This is the last album to use the "Little" in Stevie Wonder's name.
 Starting with the next album, his name goes by just "Stevie Wonder."
"Ribbon in the Sky" is a hit 1982 R&B single released by Tamla/Motown star and American singer Stevie Wonder.
 The ballad was first featured on the greatest hits album, "Stevie Wonder's Original Musiquarium I", and charted at #54 pop and #10 R&B when it was released.
 In February 1983, Wonder was nominated for a Grammy Award for Best Male R&B Vocal Performance at the 25th Grammy Awards.
 Wonder performed a version of the song at Whitney Houston's funeral on February 18, 2012.
Dalton Delan (born August 5, 1954) is an American writer, editor, and television producer.
 His works with WETA, PBS and Sundance have won him numerous awards for his documentaries and primetime shows.
 A number of his projects include working alongside Robert Redford.
 He is executive producer of In Performance at the White House; bringing Bob Dylan in 2010, and Paul McCartney to the White House in 2011, with Mick Jagger performing in 2012.
 So far, Delan has worked with presidents Barack Obama, George W. Bush and Bill Clinton in making the In Performance at the White House possible.
 Delan is also an executive producer of the Mark Twain Prize for American Humor, presented by the Kennedy Center to notable names in humor and comedy.
 Delan is also Co-Creator and an Executive Producer of the Library of Congress Gershwin Prize for Popular Music, whose first recipient was Paul Simon, in a ceremony at the Warner Theater.
 He then arranged the relocation of the ceremony to the White House as part of the In Performance at the White House series on PBS, with subsequent honorees Stevie Wonder, Paul McCartney, Burt Bacharach and Hal David, and Carole King in 2013.
"You Are the Sunshine of My Life" is a 1973 single released by Stevie Wonder.
 The song became Wonder's third number-one single on the "Billboard" Hot 100 chart and his first number-one on the Easy Listening chart.
 It won Wonder a Grammy Award for Best Male Pop Vocal Performance, and was nominated for both Record of the Year and Song of the Year.
 This song was the second single released from the 1972 album entitled "Talking Book", which stayed at number one on the R&B charts for three weeks.
Margaret Patrick (1913–1994) was "Ebony" in Ebony and Ivory, the name given to a pair of great-grandmothers in New Jersey, one white and one black, who played classical piano together.
 Each had a stroke in 1982 and became partially disabled.
 They were introduced to one another the following year and began playing piano together, one hand each.
 A reporter covering their story dubbed them "Ebony and Ivory" after the 1982 hit song by Paul McCartney and Stevie Wonder.
"Superstition" is a popular song composed, produced, arranged, and performed by Stevie Wonder for Motown Records in 1972.
 It was the lead single for Wonder's album "Talking Book", and released in many countries.
 It reached number one in the U.S. and number one on the soul singles chart.
 The song was Wonder's first number-one single since "Signed, Sealed, Delivered, I'm Yours" and topped the "Billboard" Hot 100 in 1973.
 Overseas, it peaked at number eleven in the UK during February 1973.
 In November 2004, "Rolling Stone" magazine ranked the song at No. 74 on their list of the 500 Greatest Songs of All Time.
 The song's lyrics are chiefly concerned with superstitions, mentioning several popular superstitious fables throughout the song, and deal with the negative effects superstitious beliefs can bring.
Ruth Brewer Eisenberg (1902–1996) was "Ivory" of "Ebony and Ivory," the inter-racial piano duo.
 Eisenberg and Margaret Patrick, "Ebony," each had a stroke in 1982, which partially disabled them.
 Prior to the stroke, each had studied and played classical piano.
 Eisenberg was disabled on the left, Patrick on the right.
 They were introduced at a post-stroke group in Englewood, New Jersey by the program's director, who knew of their shared love for music and thought perhaps together, they could play as one.
 A reporter dubbed them "Ebony and Ivory" after the song by Paul McCartney and Stevie Wonder, which was then a hit.
Jacob Eisenberg (1898–1964) was an American pianist, teacher and author of books and articles on the piano.
 He was married to Ruth Brewer Eisenberg, "Ivory" of the piano duo, Ebony and Ivory.