Pluckage

If no substitute for a goose-quill had been discovered, it is evident that the world could not have maintained a tithe of its present correspondence, unless geese and other fowls had been bred in extraordinary numbers for the pluckage of their wings.

Jasper […] is playing guitar — what he terms the "pluckage" for a song he is recording on Garage Band. He adds drums, other percussion, and synthesizer. Next he records his voice, improvising funny lyrics.