I Don't Know How to Love Him reaching No. 47 and Clark's No. 42. Tim Rice produced several additional tracks for Elliman to complete her debut album. Elliman performed "I Don't Know How to Love Him" when she played the Mary Magdalene role first in the Broadway production of "Jesus Christ Superstar", which opened at the Mark Hellinger Theatre 12 October 1971, and then in the movie version, her respective renderings being featured on both the Broadway cast album and the soundtrack album for the film. Her version of "I Don't Know How to Love Him" from the movie soundtrack gave Elliman a hit in Italy (#21)
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",