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"This Could Be the Start of Something" (generally known as "This Could Be the Start of Something Big") is a popular song by Steve Allen, published in 1956.
Originally, the song was written as part of the score for the 1954 television musical production of The Bachelor. This score earned Allen a Sylvania Award (awarded "For Outstanding Contribution to Creative Television Technique").
In 1956, "This Could be the Start of Something" replaced the original opening theme to Allen's NBC talk show, "Tonight Starring Steve Allen" until Allen left the show in 1957 to be replaced by Jack Paar.