Originalno: Thumb Position for Cello, Book 2. Thumb Callous Blues. Rick Mooney. Cello sheet music. Thumb Position for Cello, Book 2. For Cello.
Prevod: Thumb Položaj za violončelo, Book 2. Violončelo note. Thumb Položaj za violončelo, Book 2. "Thumbs of Steel". Ki ga sestavljajo Rick Mooney.