Track 1: Extracts from the first two verses of "The Rime of the Ancient Mariner" by S. T. Coleridge: a vocal sound journey into the deepest and highest ranges of the human voice, directed by Paul Silber and Clara Silber Harris of the Roy Hart Theatre, during a series of voice workshops. The role of the mariner is vocalised by Paul Silber.

Tracks 2-6: Extended range vocal works from workshops directed by Paul Silber (3, 4 and 5) and Clara Silber Harris (2 and 6)