Summary
Before Starshine found out about her curse, Duskstorm dares Starry on Hearth's Warming eve to attempt a sonic rainboom. Rainbow Dash grounds Starry and breaks her guitar. Now with the help of ghost Lightning Dust, she must learn a lesson too big for anypony to handle. The lesson of trust. Now Rainbow must meet three spirits on her quest to apologize to Starry before 12!