It was recorded in many different keys and the lyrics changed over the years.

Their songs are either original or versions of well known songs, with the lyrics changed.

"After I started creating new music for these gorgeous, soaring voices, the lyrics changed, too," he said.

The lyrics changed as the war went on.

The lyrics changed from time to time, but I knew the melody by heart.

It was originally a four-stanza song and, over the years, some lyrics have changed.

The song would often be of a comic nature, and the lyrics constantly changed.

The lyrics changed slightly in both releases in 1988 and 1990.

The lyrics changed several times, altered by contemporary events, until settling into a more or less permanent form in 1821.

The lyrics of this song changed over time, so there are several versions of it.