(Oscar the Grouch) > Two of his most popular songs are "Jean",
> recorder by Oliver, and “If You Go Away”, sung > by Frank Sinatra. He also translated a song by > French songwriter Jaques Brel, called “Seasons > In The Sun” recorder by Terry Jacks.
In fact "If You Go Away" is also a Brel song,
"Ne Me Quitte Pas".
http://www.theguitarguy.com/ifyougoa.htm
you can hear a sample of Brel singing the french song at the bottom of this page.
http://www.francomix.com/article-Jacques_Brel___Ne_me_quitte_pas-164.html
Brel also wrote the French original song "Quand on N'a Que l'Amour" (If We Only Have Love) that was recorded in English by Dione Warwick and a lot of others.
And he wrote all the lyrics for the French version of the musical "Man of La Mancha".


