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
Experimental musical instrument the "Bowafridgeaphone" (bow a fridge a phone). Leila Bela is an Iranian-born American avant-garde musician and record producer from Austin, Texas. The Japanese multi-instrumentalist and experimental musical instrument builder Yuichi Onoue developed a two string hurdy-gurdy like a fretless violin, called the Kaisatsuko, as well as a deeply scalloped electric guitar for microtonal playing techniques. Solmania from Japan, and Neptune are noise music bands that built their own custom made guitars and basses. Solmania modifies their instruments with extra droning strings. Neptune built guitars out of scrap metal and make electric lamellophones. The bass is built using a VCR casing