1. Harmonica: History, Anatomy and Playing Peter R. Egbert MD Professor of Ophthalmology, Emeritus Department Chair, Emeritus Stanford University

2. I have no conflict of interest or financial disclosures for this presentation

3. History Many instruments have been called “harmonica” or “mouth organ”, before the advent of the modern harmonica. 3000 BC: Free-reed instruments were used in China and Asia (e.g. the sheng) 1800’s: Modern diatonic harmonicas appeared. – 1821 Christian Buschman pitchpipe converted to instrument. – 1825-26 Richter 20 reeds in 10 holes ”mundharmonika”. – 1857 Matthias Hohner, a clock maker in Trossingen, Germany, began manufacturing harmonicas full time. P Egbe09- 2140

4. Hohner Harmonica Company Trossigen, Germany 1862-- first to export to North America 1890-- 1,000,000/year 1907-- 7,000,000 annually; 887,000 reeds from 15 tons of brass each day. – Many different models Today many competitors – Lee Oscar, Seydel, Huang, etc.

5. Most popular musical instrument? “The only thing rarer than a person who has never owned a harmonica is a person who does it justice.” “You cannot be everywhere unless you can go everywhere.” – Portable, sturdy “An accordion with soul.” – Draw and blow notes – Breathe and play

6. Soul Pocket Full of Soul Grass Valley (CA) showing 2/28 https://www.tugg.com/go/36unaq

7. Two main classes of harmonicas 10 hole diatonic – Expressive – Not all notes available – Blues Chromatic – All notes available – Jazz, classical

8. Anatomy of a harmonica

9. Reed plate and reeds

10. Cross section of air chamber and reeds Bahnson HT et al. J Am Soc Acoustics.1998:103(4) 2134 -2144

11. Standard tuning

13. The 10 hole diatonic harmonica is a transposing instrument with various keys. Note that the chord degrees are the same on all the harmonicas.

14. Two main embouchures Tongue block – The lips cover up to 4 holes. – The tongue blocks all but the right hole (see MRI). Pucker or lip block. – The lips cover all but one hole.

15. T L OC Tongue block embouchure

16. Playing your harmonica 1.Chords 2.Single note 1.Tongue blocking 2.Lip blocking or puckering 3.Slaps and pulls 4.Octaves 5.Vibrato 6.Hand effects 7.Pitch bending

17. Standard tuning

18. Cross section of air chamber and reeds Bahnson HT et al. J Am Soc Acoustics.1998:103(4) 2134 -2144

19. 2 hole draw bend Bahnson HT et al. J Am Soc Acoustics.1998:103( 4) 2134 -2144 Blow reed displaceme nt Start on GEnd on about F sharp Draw reed displacement

20. Anatomy of the Vocal Tract

21. M Tongue E HP SP VF CV Tr NC OC OPh HPh 3 hole draw note, no bend

22. 10cm 3 hole draw note, minor third bend

23. MRI Harmonica study group Thomas Rossing, Professor of Music,CCRMA David Barrett, Professional Harmonicaplayer and teacher. Bluesharmonica.com Lewis Shin MD, Alex Holbrook PhD,Stanford Dept. of Radiology