Songs/Tracks     (and media samples)

• 1.
  Demonstration
• 2.
  High key: B - with BGV's
• 3.
  High key B: - without BGV's
• 4.
  Medium key: G - with BGV's
• 5.
  Medium kry G: - without BGV's
• 6.
  Low key: Eb - with BGV's
• 7.
  Low key Eb - without BGV's