Going full-on science nerd with this link. Fascinating study documenting micro-rest and its impact on skill-learning from Ethan R.Buch156LeonardoClaudino125RomainQuentin13MarleneBönstrup14Leonardo G.Cohen
Skip to 16:16 (sixteen minutes, sixteen seconds) in to get to the skill acquisition stuff. Note “chapters” in the YouTube progress bar.
I use this Audacity a LOT, even though I have several more high-end programs, because it’s quick and easy (and free: tutorial to get it here).
The world’s most recorded jazz bassist: 2,221 Recordings (and counting). Whew!
See also: Golden Ratio, Fibonacci sequence, and Overtones