"Rock On"
This story was written by Pat Cadigan, and was first published in Light Years and Dark in 1984. This story takes place in a post-modern world where Rock and Roll is about to become extinct. Bands of the time have to use "sinners" (i.e. Synthesizer), or people who have experienced Rock and Roll in person, in order to realize their music. This is the story of one such sinner.
Read more about this topic: Hackers (anthology)