Musical Instrument Reference From MusicArrangers.com. Resource for teachers and students. Modern musical instruments, transposition, concert pitch and best sounding range.
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Taxonomy of Musical Instruments, by Henry Doktorsi Chart based on a 1914 scheme by Sachs and von Hornbostel classifies orchestral, folk, and electronic instruments into families. A second chart maps the free-reed family, which includes harmonicas and concertinas, supported by a scholarly history of free-reeds. http://www.ksanti.net/free-reed/description/taxonomy.html More Info