Editing Historically informed performance (section)

===Mechanical music===
Some information about how music sounded in the past can be obtained from contemporary mechanical instruments. For instance, the Dutch [[Museum Speelklok]] owns an 18th-century mechanical organ of which the music programme was composed and supervised by [[Joseph Haydn]].<ref>Rob van der Hilst, "[http://www.derecensent.nl/recensies/haydnh.htm Fluitekruid van Joseph Haydn] {{Webarchive|url=https://web.archive.org/web/20120426051718/http://www.derecensent.nl/recensies/haydnh.htm |date=2012-04-26 }}", review of Jan Jaap Haspels, Marije Hulleman, and Bob van Wely, ''Haydn herboren: 12 originele opnamen uit 1793'' (Utrecht: Nationaal Museum van Speelklok tot Pierement, 2004), {{ISBN|90-801699-3-5}}. ''De Recensent.nl'' (2004, accessed January 2014).</ref>