Anyone who thinks technology is omnipotent has not seen the OCR output of a type-written index card.
Boucher’s wife was a clever player on the harp, but seems to have adopted her husband’s doubtful means of winning the applause of the public. She used to play duets for piano and harp, with one hand on each instrument.
– Grove Dictionary of Music and Musicians, entry for Boucher, Alexandre-Jean
(how’d I manage to put in a Sherlock reference there)