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Det mystiska ackordet
En matematiker l\xf6ser en g\xe5ta som g\xe4ckat musiker \xf6ver hela v\xe4rlden sedan 1964.
Lyssna p\xe5 alla avsnitt i Sveriges Radio Play.
\xc4nda sedan Beatles spelade in A Hard Days Night, s\xe5 har det inledande ackordet till l\xe5ten varit ett mysterium. Ingen har kunnat lista ut vad det \xe4r f\xf6r avancerat ackord som bandmedlemmarna spelar - f\xf6rr\xe4n nu. Och det \xe4r en matematiker som har hittat l\xf6sningen.
Medverkande \xe4r Kevin Houston, doktor i matematik vid University of Leeds. Och Valentina Chapovalova, matematiker och l\xe4rare i matematik.
L\xe4nk till Kevin Houstons egna text om hans analys av ackordet: http://www.kevinhouston.net/blog/2014/12/the-beatles-magical-mystery-chord-2/