Sounds familiar...

Martin Johnson did a fantastic job of the music for the last play, "Evil of the Daleks", and he's busy working on the music for this one.

As a taster to whet the appitite, he's released a teaser of the opening title music, which you can listen to here:

• Listen to the teaser - will open in a new window

You can also read an interview with Martin about composing for the play:

• Read the interview - will open in a new window