The piano intro begins as a tour bus driving by is shown.

The advertisement uses part of the piano intro and the first driving guitar riff.

The film version has an extended piano intro that plays before Gilmour's vocal.

The single/radio version features a piano intro, whereas the album version does not.

It truly is a moving and beautiful song, and just thinking about its piano intro gives me chills.

From autumn 1973 onwards, the song's piano intro was omitted during live performances.

Houston's cover begins with a slow piano intro, which picks up in the middle.

The song starts with a string sample and electric piano intro, followed by the verse.

In the video the song has an extended piano intro, and features all members of the group acting out scenes related to the storyline.

Apart from single edit of the song, a longer version also exists, with a slower piano intro.