HIP

• https://en.wikipedia.org/wiki/Historically_informed_performance

• Period instrument movement

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• https://www.merriam-webster.com/dictionary/authentic%20performance

Definition of authentic performance
music
:  the practice of performing musical works from an earlier period (such as the Renaissance or Baroque period) using instruments modeled on those of the period and in a style as close as possible to that of performances of the time

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• https://en.wikipedia.org/wiki/Eduard_Melkus