I Don't Know How to Love Him to Love Him" album included an initial arrangement of Reddy's signature song, "I Am Woman" which via a 1972 re-recording with a new arrangement would prove to be the vehicle to consolidate Reddy's stardom, reaching No. 1 on the "Billboard" Hot 100 dated 9 December 1972. The earliest single version of "I Don't Know How to Love Him" was that cut by Karen Wyman an artist on the roster of MCA/Decca Records the label of release for the original "Jesus Christ Superstar" album: Wyman's single, produced by Ken Greengrass and Peter Matz, was released in November 1970 in the US
Do You Want to Know a Secret (a UK no. 2) credited the composition to "McCartney-Lennon". The song was inspired by "I'm Wishing", a tune from Walt Disney’s 1937 animated film "Snow White and the Seven Dwarfs" which Lennon's mother, Julia Lennon, would sing to him as a child. The first two lines of the song in Disney's movie ("Want to know a secret? Promise not to tell?") come right after the opening lyrics ("You'll never know how much I really love you... You'll never know how much I really care..."). McCartney has said it was a "50–50 collaboration written to order", i.e., for Harrison to sing,