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 Need to Know (Marc Anthony song) the Night is Over" (1991). "I Need to Know" was released on August 15, 1999, as the album's lead single. "I Need to Know" was written and produced by Anthony and Rooney. The song is about a man who longs for a woman's attention and wants to know how she feels about him. The song opens with a synthesized violin and piano riff, which is immediately followed by a mid-tempo beat. It fuses the sound of contemporary R&B and incorporates Latin percussion instruments the timbales, congas, and the trumpet. "I Need to Know" was translated into Spanish by Angie Chirino