Karl Czerny sanannen ɗan wasan pian ɗan Austriya ne, mawaki kuma mai koyar da kiɗa wanda ya rayu a ƙarni na 19. An fi saninsa da karatunsa da dama da kuma motsa jiki na piano, waɗanda tsararraki na ƴan piano suka yi amfani da su don haɓaka fasaharsu. gudunmawa ga kiɗa. A matsayin suna na gama-gari, "czerny" na iya komawa ga ayyukansa, kamar "Czerny exercises" ko "Czerny etudes," waɗanda har yanzu ana amfani da su a yau don taimakawa masu pians su inganta ƙwarewar su.