The Gene Krupa Story “syncopated versions” of Ave Maria when he should be listening to hymns in a quiet, penitent reverie; even after a year there, he cannot shake his dreams of becoming a musician. The priest who is his advisor suspects Krupa's interest is waning and reminds him that the priesthood is "a fulfillment, not a penance". He advises Gene to take summer vacation at home to consider if this life-choice is "meant to be". At home, his old pals are playing in a local speakeasy. Krupa gently rubs the drum set's crash cymbal between his thumb and forefinger; his friend Eddie asks
Musical instrument popular music, and the instrument makers responded accordingly. Beginning in about 1400, the rate of development of musical instruments increased in earnest as compositions demanded more dynamic sounds. People also began writing books about creating, playing, and cataloging musical instruments; the first such book was Sebastian Virdung's 1511 treatise "Musica getuscht und ausgezogen" ('Music Germanized and Abstracted'). Virdung's work is noted as being particularly thorough for including descriptions of "irregular" instruments such as hunters' horns and cow bells, though Virdung is critical of the same. Other books followed, including Arnolt Schlick's "Spiegel der Orgelmacher und Organisten" ('Mirror of Organ Makers