Well before Coca-Cola switched to using high-fructose corn syrup, the company enlisted the talents of the sweet-voiced Bee Gees to spruik
(that’s Australian for “tout”) their product in a couple of ad spots
that ran during 1967. Both ads had 60- and 90-second versions that were followed by an announcer acknowledging the Bee Gees and, of course, mentioning Coke.
The songs were recorded by the Bee Gees’ band, including guitarist
Vince Melouney and drummer Colin Petersen, along with an orchestra conducted by Bill Shepherd .
The first song, “Sitting in the Meadow”, features a lively
shuffle-beat, and invites the listener to “have a bottle of Coke or
two”:
https://www.youtube.com/watch?v=x30M7Ki_wT4
At 0:30, we hear the familiar “Things Go Better With Coke” theme.
The second song, “Another Cold And Windy” day starts as a gloomy
ballad, but inevitably segues to the Coke theme at 0:40. Just before announcer’s bit, there’s a modulation up a third at 0:50.