http://en.wikipedia.org/wiki/Bee_Gees
The Bee Gees are a musical group that was originally made up three brothers: Barry, Robin, and Maurice Gibb.
Years active 1958–2003,
2009–present
Labels Polydor, RSO, Warner Bros.
Associated acts Andy Gibb, Yvonne Elliman, Kenny Rogers, Dolly Parton, Barbra Streisand
Following Maurice's sudden death on 12 January 2003, Barry and Robin Gibb temporarily ended the group after forty-five years of activity. On 7 September 2009, Robin Gibb revealed that he and Barry Gibb had agreed that the Bee Gees would reform and perform again.
http://en.wikipedia.org/wiki/To_Whom_It_May_Concern_(Bee_Gees_album)
"Tragedy" is a song recorded by the Bee Gees, included on their 1979 album Spirits Having Flown.
Though not originally in Saturday Night Fever, it has subsequently been added to the musical score of the West End version of the movie-musical.
In 1998, Steps covered "Tragedy", releasing it as a double A-side with "Heartbeat"