Gene Krupa in Calumet City, Illinois. In the 1930s, Krupa became the first endorser of Slingerland drums. At Krupa's urging, Slingerland developed tom-toms with tuneable top and bottom heads, which immediately became important elements of virtually every drummer's setup. Krupa developed and popularized many of the cymbal techniques that became standards. His collaboration with Avedis Zildjian developed the modern hi-hat cymbals and standardized the names and uses of the ride cymbal, crash cymbal, splash cymbal. He is also credited with helping to formulate the modern drum set, being one of the first jazz drummers (for that recording studio) to use a bass
Musical instrument and Organ Players') the following year, a treatise on organ building and organ playing. Of the instructional books and references published in the Renaissance era, one is noted for its detailed description and depiction of all wind and stringed instruments, including their relative sizes. This book, the "Syntagma musicum" by Michael Praetorius, is now considered an authoritative reference of sixteenth-century musical instruments. In the sixteenth century, musical instrument builders gave most instruments – such as the violin – the "classical shapes" they retain today. An emphasis on aesthetic beauty also developed; listeners were as pleased with the physical appearance of