

Problems playing this file? See media help. For example, in 1955 the lines "Even Liberace, we assume, does it," " Ernest Hemingway could - just- do it" and many more were added by Noël Coward in his Las Vegas cabaret performance of the song, in which he replaced all of Porter's lyrics with his own. The nature of the song is such that it has lent itself over the years to the regular addition of contemporary or topical stanzas. According to it, several suggestive lines include a couplet from verse 4: "Moths in your rugs do it, What's the use of moth-balls?" and "Folks in Siam do it, Think of Siamese twins" (verse 1) and "Why ask if shad do it? Waiter, bring me shad roe" (verse 3) and "Sweet guinea-pigs do it, Buy a couple and wait" (verse 5). According to this argument, Let's do it was a pioneer pop song to declare openly "sex is fun". One commentator saw the phrase Let's do "it" as a euphemistic reference to a proposition for sexual intercourse. The first refrain covers human ethnic groups, the second refrain birds, the third refrain marine life, the fourth refrain insects and centipedes, and the fifth refrain non-human mammals. Porter was a strong admirer of the Savoy Operas of Gilbert & Sullivan, many of whose stage works featured similar comic list songs.

The first of Porter's " list songs", it features a string of suggestive and droll comparisons and examples, preposterous pairings and double entendres, dropping famous names and events, drawing from highbrow and popular culture.
