Piano Tool library credits

These release-library entries retain their recorded source attribution and CC BY-SA license links.

• Bach: Invention No. 1, BWV 772
  Mutopia Project MP-40; Bach-Gesellschaft edition; exact-event piano normalization.
  Source · CC BY-SA 3.0
• Bach: Little Prelude in C Major, BWV 939
  Mutopia Project MP-1593; Naumann 1890 edition; exact-event piano normalization.
  Source · CC BY-SA 3.0
• Beethoven: Moonlight Sonata, Op. 27 No. 2 I
  Mutopia Project MP-276; Berners/Winterberger 1908 edition; exact-event piano normalization.
  Source · CC BY-SA 2.5
• Chopin: Nocturne in E-flat Major, Op. 9 No. 2
  Mutopia Project MP-1590; Schirmer 1881 edition.
  Source · CC BY-SA 3.0
• Les Barricades Mystérieuses
  Piano GNU score and local LilyPond source build; composer Public Domain; editor marks CC BY-SA.
  Source · CC BY-SA 4.0
• Mozart: Sonata in C Major, K. 545 I
  Mutopia Project MP-998.
  Source · CC BY-SA 3.0
• Satie: Gnossienne No. 1
  Mutopia Project MP-2035; redundant inactive note-off cleanup only; no musical event changed.
  Source · CC BY-SA 4.0
• Schumann: Wild Horseman, Op. 68 No. 8
  Mutopia Project MP-655; Peters edition.
  Source · CC BY-SA 2.5