Please answer the following question: What type of details about karel pravoslav sádlo  can be gathered from the following bio?  Bio: karel pravoslav sádlo -lrb- september 5 , 1898 prague , bohemia -- august 24 , 1971 prague , czechoslovakia -rrb- was a czech cellist and significant cello pedagogue . between 1929 -- 1961 , he was the teacher of the majority of czech cellists and tutored a large number of leading soloists and chamber music performers -lrb- e.g. milos sadlo , josef chuchro , františek smetana , františek sláma , antonín kohout -rrb- . he was a teacher at the conservatoire , dean of the faculty of music of the academy of performing arts in prague and a juror at prestigious performers ' competitions . his music publishing -lrb- `` edition sádlo '' , since 1928 -rrb- as well as his new way of playing the cello -lrb- his book on cello technique was published in 1925 -rrb- had a lasting influence on the development of modern czech music .
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