"Tus txiv neej thiab Ukulele" yog zaj duab xis qhia los ntawm Earl Sponable. Theodore Case yog ib tug kawm tiav kev txawj ntse ntawm engineering hauv Yale University thiab pabcuam Lee DeForest (leej txiv ntawm hluav taws xob tubes) hauv kev tsim cov suab paj nruag. Tom qab ntog tawm ntawm DeForrest, Case thiab tus khub EL Spoonnet teeb tsa lub chaw sim nyob tom qab Case New York City hauv Osborne. Lawv tsim lawv tus kheej cov suab paj nruag kaw lus nyob ntawd thiab muab muag rau William Fox, uas yog qhov ua tiav zoo hauv kev txhawb nqa lub npe lag luam "Sound Movie". Zaj yeeb yaj kiab yog ib tug txiv neej ua si ukulele.
Peb cov neeg yuav khoom Spanish qhia peb tias ib qho ntawm lawv cov neeg siv khoom, vim tias zaj yeeb yaj kiab no, nyiam lub ukulele, thiab tam sim no nws tau ua ke rau kev ua si ntawm ukulele.
