Tweaker (short story)

Summary
''An ordianery man called Collin buys himself a new recorder but soon regrets it when he is hunted down by strange alein men and a man called The Doctor. Is Collins talent in music the key to stopping the end of the world ''

Characters

 * Fifth Doctor
 * Nyssa
 * Collin
 * The Voice

Continuity
Nyssa mentions The Master 

Timeline
to