The album included popular songs from musicals identified by a poll on her radio show, in which 400,000 listeners voted.
A newer version of this type of research involves Web surveys by which listeners can vote and comment on music.
Near the end of the calendar year, listeners vote to determine which local charity receives the proceeds from the fund.
The listeners would then call in and vote on which of the two would be allowed to remain in rotation.
As listeners voted thumbs up or down to tunes (should they choose to), the service would amend their personal libraries accordingly.
The listeners voted for the songs they think is the best.
Exit polls taken after the last Presidential election showed that frequent listeners to talk shows voted Republican 3 to 1.
Caroline jingles and political messages designed to encourage listeners to vote Conservative were broadcast.
In the next few days, listeners would then vote on a fifth selection from the songs originally nominated.
In another regular feature, listeners voted for their favorite tenor of the century.