Question: Brothers Barry, Robin and Maurice Gibb, in addition to headlining the pop group the Bee Gees, wrote several hits for other artists, including 1980 hit "Woman in Love" performed by who?

Context paragraphs:
Cucumber Castle: Cucumber Castle is the seventh studio album by the Bee Gees, released in April 1970.  It was produced by Barry Gibb, Maurice Gibb, and Robert Stigwood.  It consists of songs from their television special of the same name, which was named after a song on their 1967 album "Bee Gees' 1st".  "Cucumber Castle" was the only Bee Gees album not to feature any recorded contributions from Robin Gibb, as he had left the group before the album was recorded.  (He did receive co-composer credit on one track, which was written before his departure.)

Bee Gees: were a pop music group formed in 1958.  Their lineup consisted of brothers Barry, Robin, and Maurice Gibb.  The trio were successful for most of their decades of recording music, but they had two distinct periods of exceptional success: as a popular music act in the late 1960s and early 1970s, and as prominent performers of the disco music era in the mid-to-late 1970s.  The group sang recognisable three-part tight harmonies; Robin's clear vibrato lead vocals were a hallmark of their earlier hits, while Barry's R&B falsetto became their signature sound during the mid-to-late 1970s and 1980s.  The Bee Gees wrote all of their own hits, as well as writing and producing several major hits for other artists.

Maurice Gibb: Maurice Ernest Gibb, CBE ( ; 22 December 1949 – 12 January 2003) was a singer, songwriter, multi-instrumenatalist and record producer, who achieved fame as a member of the pop group the Bee Gees.  Although his brothers Barry and Robin Gibb were the group's main lead singers, most of their albums included at least one or two compositions by Maurice, including "Lay It on Me", "Country Woman" and "On Time".  The Bee Gees were one of the most successful rock-pop groups ever.  Gibb's role in the group focused on melody and arrangements, providing backing vocal harmony and playing a variety of instruments.

Guilty (Barbra Streisand and Barry Gibb song): "Guilty" is a vocal duet between Barbra Streisand and Barry Gibb.  The song was written by all three Bee Gees: Barry, Robin & Maurice Gibb.  Released as a single from Streisand's 1980 album of the same name.  "Guilty" peaked at #3 on the US "Billboard" Hot 100 pop chart and #5 on the adult contemporary chart.  In the UK, the song reached #34 on the UK Singles Chart.  The single was certified gold by the RIAA.  In addition, "Guilty" won a Grammy Award in the category Best Pop Vocal Performance, Duo or Group.  The song also appeared on the 2001 Bee Gees compilation, "".

Woman in Love: "Woman in Love" is a song performed by Barbra Streisand and taken from her 1980 album, "Guilty".  The song was written by Barry and Robin Gibb of the Bee Gees, who received the 1980 Ivor Novello award for Best Song Musically and Lyrically.  It is her fourth of four Platinum records, and is considered her greatest international hit.

Tomorrow Tomorrow (Bee Gees song): "Tomorrow Tomorrow" is a song by the Bee Gees written by Barry and Maurice Gibb.  The song was originally intended to be recorded by Joe Cocker.  It was the first Bee Gees single released after Robin Gibb had quit the group which was now down to a trio featuring Barry Gibb, Maurice Gibb, and drummer Colin Petersen.

He's a Liar: "He's a Liar" was the first single from The Bee Gees album "Living Eyes" released on 19 September 1981.  It had been approximately two years since the last Bee Gees single had been released.  The song was written by brothers Barry, Robin and Maurice Gibb.

The Kid's No Good: The Kid's No Good was to have been Barry Gibb's debut solo album following his departure from the Bee Gees in December 1969.  There was no official title given to the album at the time.  The line "the kid's no good", which the album is commonly titled on several bootleg releases, is also featured in the Bee Gees song "Come Home Johnny Bridie" on the 1973 album "Life in a Tin Can".  The album features orchestral arrangements by Bill Shepherd who performed the same role for the Bee Gees from 1965 to 1972 (Robin and Maurice Gibb's solo recordings were done with different arrangers).

Stayin' Alive: "Stayin' Alive" is a disco song by the Bee Gees from the "Saturday Night Fever" motion picture soundtrack.  The song was written by the Bee Gees members (Barry, Robin, and Maurice Gibb) and produced by the Bee Gees, Albhy Galuten, and Karl Richardson.  It was released on 13 December 1977 as the second single from the "Saturday Night Fever" soundtrack.  It is one of their signature songs.  In 2004, "Stayin' Alive" was placed at number 189 on the list of Rolling Stone's 500 Greatest Songs of All Time.  In 2004, it ranked No. 9 on AFI's 100 Years...100 Songs survey of top tunes in American cinema.  In a UK television poll on ITV in December 2011 it was voted fifth in "The Nation's Favourite Bee Gees Song".

Robin Gibb: Robin Hugh Gibb (22 December 1949 – 20 May 2012) was a singer, songwriter and record producer, who gained worldwide fame as a member of the pop group the Bee Gees, with his brothers Barry and Maurice Gibb, his fraternal twin.  Robin Gibb also had his own successful solo career.

Supporting paragraphs: Woman in Love Bee Gees
Answer: Barbra Streisand