The title has been rendered a number of ways on different releases since 1973.

It contains 27 songs from ten different releases with a total running time of nearly two and a half hours.

Two different releases were made, a regular one and a digipack limited edition.

Three different releases of this album were put out.

A slightly different general release was released in Europe on November 26, 2010.

For this reason, two different releases of the Silo source code are made available.

This year, over 400 different releases were made for the day, including:

A number of different releases have been issued so far by three record labels.

The track ordering has varied on different releases of this album.

Live material from 1982 has appeared on a number of different releases: