sixtieschick, your Pepsi jingle sounds like a follow-up version of the jingle that went

The modern crowd
today agrees
if you think young
say "Pepsi please!"
So pick the right one
the modern light one
now it's Pepsi ...
for those who think young.

sung to the tune of the old song "Makin' Whoopee".

(or maybe it was "So pick the light one, the modern right one" - memory fails me!)

Don