There must be a minimum of two Abba songs played.

At first, she proposed a television program built around Abba songs, but the idea soon grew in scope.

So does the need to burst into songs - Abba songs, of course.

This recording is probably the first and only time to date any recording artist has added additional music to an original Abba song.

But while there are Abba songs to be sung, the MPs' mood is holding up.

One element cited by several critics is the creators' ingenuity in fitting 21 Abba songs, none written as show tunes, into the plot.

("I like the Abba songs," he said, "but the plot is very simple.")

It is the only ABBA song to feature just one vocalist.

There's some kitsch-surprise here (i.e. a cover of an Abba song) - rare in the sobersided jazz world.

Two different compilation albums of ABBA songs have been released.