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
How Will I Know numbers tend to suffer from a particularly dated sound compared to her ballads, but this song still works remarkably well because of its lush melody throughout the verse, bridge and chorus." "[t]his track helps Houston prove that she knows how to interpret, with great skill, tunes that display solid craftsmanship," he added. While reviewing the "Deluxe Anniversary Edition" of the album, Mikael Wood of "Entertainment Weekly" commented on the a cappella version of the song noting, "a cappella mix of 'How Will I Know' [that] displays the singer's precision long before the advent of Auto-Tune." While reviewing "The Ultimate Collection",