"Once Upon a Summertime" is the title of the American version (with lyrics from Johnny Mercer) of a French song written by Michel Legrand, Eddie Barclay and Eddy Marnay.
The French original is La valse des lilas.
Notable recordings
Blossom Dearie – Once Upon a Summertime (1959), Blossom Time at Ronnie Scott's (1966)
Tony Bennett – I Wanna Be Around (1963)
Miles Davis – Quiet Nights (1963)
Sarah Vaughan – Star Eyes (1963)
Monica Zetterlund and Bill Evans – Waltz for Debby (1964)
Carmen Mcrae – Second to None (1964)
Astrud Gilberto – Look to the Rainbow (1966)
Barbra Streisand – Je m'appelle Barbra (1966)
The Walker Brothers - Images (1967)
Oscar Peterson – Walking the Line(1971)
June Christy – Impromptu (1977) with the Lou Levy Sextet
Chet Baker – Once Upon a Summertime (1980)
Maria Farantouri – 17 Songs (1990)
Betty Carter – It's Not About the Melody (1992)
Betty Carter with Vienna Art Orchestra - Quiet Ways: Ballads (1997)