In the original movie it was sung by Johnnie Davis and Frances Langford, accompanied by Benny Goodman and his orchestra.
In the original lyrics the line "where any shopgirl can be a top girl, if she pleases the tired businessman" vanished quickly to go with a more appropriate and modern time in the Doris Day’s version and her self titled album of the song, having been replaced with "and any barmaid can be a star made if she dances with or without a fan.” The latter part of the line refers to fan dancing.
The first national news bulletin of the Media coverage of the assassination of John F. Kennedy was transmitted over the ABC Radio Network at 12:36 p.m. CST/1:36 p.m.
[1] The network was airing the Music in the Afternoon program hosted by Dirk Fredericks and Joel Crager,[2][3] and Doris Day’s recording of ‘’Hooray for Hollywood’’ was playing when newscaster Don Gardiner had to interrupt the song to make the announcement of President John F. Kennedy’s death in 1963.
It also includes reference to Walt Disney and his cartoon character with the lines of "You might be Donald Duck."