The opening lines of the song are taken from the catchphrase of English music hall performer Charlie Chester.
The studio suffered a power outage during the session, but the recording continued with backup generators.
[3] The forced laughter that closed "Mrs. Vandebilt" was influenced by Charlie Chester's effects on his studio audience.
Wings added more laughter in London's AIR Studios after returning from Lagos, Nigeria.
"[4] McCartney had not played the song live until a free concert on 14 June 2008 in Kyiv, Ukraine, on account of it receiving the most requests in a web poll.