I Don't Know How to Love Him by Helen Reddy and Yvonne Elliman, since the 1950s when multi-version chartings were common. "I Don't Know How to Love Him" had originally been published with different lyrics in the autumn of 1967, the original title being "Kansas Morning". The melody's main theme has come under some scrutiny for being non-original, being compared to a theme from Mendelssohn's Violin Concerto in E Minor. In December 1969 and January 1970, when Andrew Lloyd Webber and Tim Rice completed "Jesus Christ Superstar", Rice wrote new lyrics to the tune of "Kansas Morning" to provide the solo number for the character of Mary
I Don't Know How to Love Him cachet of performing as Mary Magdalena in that stage production it was her single which became the hit, besting Lyngstad's "Allting Skall Bli Bra"/"Vad Gör Jag Med Min Kärlek?" and also a cover version of "Vad Gör Jag Med Min Kärlek?" by . "I Don't Know How to Love Him" has also been recorded (with parent album) by Madeline Bell (on multi-artist album "Musical Cocktail" – 1995), Debra Byrne (credited as Debbie on multi-artist album "Young Talent Time" by Young Talent Team – 1973), Mary Byrne ("...with Love" – 2011), Chelsia Chan ("Dark Side of Your Mind" – 1975), Judy