Diff of SonicVisualiser

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to SonicVisualiser.

[[Audio]] > [[SonicVisualiser]]

- https://www.sonicvisualiser.org/
  - https://www.sonicvisualiser.org/download.html
-- https://www.sonicvisualiser.org/download.html

- A musicologist's guide to Sonic Visualiser – and other tutorial material 
--  https://charm.rhul.ac.uk/analysing/p9_0_1.html