"In Common" is a song by American singer and songwriter Alicia Keys, recorded for her sixth studio album, "Here".
 The song was written by Keys, Carlo "Illangelo" Montagnese, Billy Walsh and Taylor Parks, and produced by Illangelo.
 It is a departure from her R&B sound, having a tropical music and dancehall sound, with Latin beat, Afrobeat instrumental, collage of electronic beats, tropicalia-infused rhythms and icy drum patterns as its main instrumentation.
 Keys uses a hushed tone during the track.
 Lyrically, "In Common" is about a woman and her first date.
 She is immediately infatuated and enamored by the experience and the evening.
"Better" is a song recorded by American singer and songwriter Meghan Trainor from her second major-label album, "Thank You" (2016).
 It features American rapper Yo Gotti, and was released to digital retailers on April 22, 2016, as a promotional single before being released as the third single from the album on August 29, 2016.
 The song was written by Trainor, Eric Frederic, Tommy Brown, Steven Franks, Mario Mims, Taylor Parks, and Travis Sayles, with the production being handled by Ricky Reed, Brown, and Mr. Franks.
Billy Walsh (born October 7, 1972) is a former American soccer player and coach.
Alicia Augello Cook (born January 25, 1981), known professionally as Alicia Keys, is an American singer, songwriter, record producer, pianist and actress.
 Keys released her debut album with J Records, having had previous record deals first with Columbia and then Arista Records.
 Keys' debut album, "Songs in A Minor" was released in 2001, producing her first "Billboard" Hot 100 number-one single "Fallin'", and selling over 12 million copies worldwide.
 The album earned Keys five Grammy Awards in 2002.
 Her sophomore album, "The Diary of Alicia Keys", was released in 2003, spawning successful singles "You Don't Know My Name", "If I Ain't Got You" and "Diary", and selling 8 million copies worldwide.
 The duet song "My Boo" with Usher scored her a second number-one single in 2004.
 The album garnered her an additional four Grammy Awards in 2005.
 Later that year, she released her first live album, "Unplugged", becoming the first woman to have an "MTV Unplugged" album debut at number one.
"Infinity" is a song by American singer and songwriter Mariah Carey from her sixth compilation album, "#1 to Infinity" (2015).
 It was released by Epic Records on April 27, 2015, as the only single from the album.
 Carey wrote the song in collaboration with Eric Hudson, Priscilla Renea, Taylor Parks and Ilsey Juber.
 Carey and Hudson also produced the track.
 It is an R&B song; the lyrics are about Carey putting herself first and emancipation.
 However, many critics likened the content to the singer's separation from her then-husband, entertainer Nick Cannon.
"Back to Life" is a song by American singer-songwriter Alicia Keys, released on September 1, 2016, for the soundtrack of the sports drama film "Queen of Katwe", directed by Mira Nair.
 The song was written by Alicia Keys, Illangelo, and Billy Walsh.
 Production of the song was handled by Keys and Illangelo.
The National Parks is an American folk/pop band from Provo, Utah.
 The 5-member band consists of Brady Parks from Denver, Colorado (guitar and lead vocals), Sydney Macfarlane from Kaysville, Utah (keyboards), John Hancock from Sacramento, California (electric guitar and vocals), Cam Brannelly from Draper, Utah (drums), and Megan Taylor Parks from Draper, Utah (fiddle).
"Boss" (stylized as "BO$$") is a song recorded by American girl group Fifth Harmony.
 The song was released as the first and lead single from the group's debut studio album, "Reflection".
 Serviced to contemporary hit radio on August 19, the song was written by Eric Frederic, Joe Spargur, Daniel Kyriakides, Gamal Lewis, Jacob Kasher and Taylor Parks, and was produced by Frederic, Spargur and Daylight.
 "Boss" is a dance-pop song with additional instrumentation including trumpets, handclaps, horns and heavy bass that create a rhythmic militaristic sound.
 Lyrically, the song focuses on themes of feminism, female empowerment, confidence and reversed gender roles.
 Critics drew comparisons to the works of previous girl groups such as Destiny's Child.
William Walsh (4 December 1923 – 2014), known as Bill or Billy Walsh, was an English footballer who made 145 appearances in the Football League playing as a centre half for Sunderland, Northampton Town and Darlington.
William Edward "Bill" Hayes (7 November 1915 in Cork, Ireland – 22 April 1987), commonly referred to as Bill Hayes or Billy Hayes, is a former Irish footballer who played for Huddersfield Town, Cork United and Burnley.
 As an international, Hayes played for both Ireland teams – the FAI XI and the IFA XI.
 Like fellow dual international, Billy Walsh, he also represented England Schoolboys.

Question: In what year was the songwriter who co-wrote the song "In Common" with Billy Walsh and Taylor Parks born?
Answer: 1981