First recorded (in English) by Jill Corey (US #57 1957).
Hit versions by The Everly Brothers (US #7 1960), Betty Everett & Jerry Butler (US #5/R&B #1 1964), The Sweet Inspirations (R&B #13 1967), Glen Campbell & Bobbie Gentry (US #36/C&W #14/MOR #7 1969) and Willie Nelson (US #40/C&W #2/MOR #11 1982).
From the wiki: “[O]riginally published in 1955 as ‘Je t’appartiens,’ the score was written and first recorded in French by Gilbert Bécaud (‘September Morn’). The English-language version used lyrics by Mann Curtis and was first performed in 1957 by Jill Corey in the television series Climax!. Corey’s version, with orchestration by Jimmy Carroll, was released as a single and was moderately successful.