The Entropy Composition (audio story)

The Entropy Composition was a 2010 Big Finish full-cast audio short story, featuring the fifth Doctor and Nyssa.

Publisher's summary
A lost prog rock symphony is unearthed from the vaults – with catastrophic consequences for the entire cosmos.

Cast

 * Fifth Doctor - Peter Davison
 * Nyssa - Sarah Sutton
 * Erisi - Andree Bernard
 * Naloom - Ian Brooker
 * Mrs Moloney - Joanna Munro
 * Geoff Cooper - James Fleet

Continuity

 * Mrs Moloney queries whether the Doctor is wearing a vegetable, to which he replies, "It's decorative" — thereby echoing the tenth Doctor's assessment of the fifth's celery.
 * Nyssa refers to "The Entropy Composition" as the "music of the spheres", giving a metatextual wink towards the mini-episode of the same name.

Timeline
to be added