Agatha's Song

 is a Fallout 3 quest. It is also an Xbox 360 and PC achievement.

Walkthrough
Agatha is an old woman living alone in a house in the Capital Wasteland. She is a talented violin player who broadcasts her music through her late husband's old radio gear. She wants the Vault 101 dweller to find music paper for her, as well as her great-great-grandmother Hilda's Soil Stradivarius violin, which she believes is still in Vault 92.