It Had to Be You is a classic American popular song written by Isham Jones and Gus Kahn. It was published on May 9, 1924 and released as a Brunswick record in July 1924 after an April 24 recording at Brunswick Studios in New York City. The original release by the Isham Jones Orchestra is instrumental, with a vocal version by Marion Harris and Phil Ohman recorded for Brunswick in March 1924. The tune is categorized as American Dance Music. It has been widely covered, including a 1951 Doris Day version with the Paul Weston Orchestra on the I’ll See You in My Dreams soundtrack, and Frank Sinatra with the Billy May Orchestra on Trilogy: Past Present Future (1980). It has appeared in films such as Casablanca, where Dooley Wilson performs it, and it was used as the theme of When Harry Met Sally, which AFI ranked at number 60 on its 100 Years...100 Songs list.
