Castanets feem ntau yog ua los ntawm cov ntoo, plhaub zoo li tus kheej, tsis muaj lub suab tsis sib luag, yog kev siv ob lub castanets tawm tsam ib leeg thiab hais, feem ntau ua si nrog sab tes xis. Thaum siv ob zaug siv tus khub, tuav ib qho sab laug thiab ib qho rau sab xis. Zoo li cov duab peb tog hlau thiab lub nruas me me, nws tsim nyog rau kev ua si ntawm ntau lub suab.
Cov Castanets keeb kwm hauv tebchaws Iziv thiab tseem siv dav hauv kev seev cev Spanish. Nws tau nyob ib puag ncig txij thaum Roman thiab hnub nyoog nruab nrab. Cov castanets tiag tiag yog ua si nrog cov ntiv tes txuas rau lawv, tab sis nws tsis yooj yim los ua si txoj kev nyuaj thiab kev sib dhos dawb, uas yuav tsum muaj kev txawj ntse. Txhawm rau pab txhawb kev siv cov tshuab ntaus nrig, cov twj paj nruag niaj hnub yog nruab nrog cov leeg ntoo, tsuas yog xuas tes ntxuav xwb. Tau kawg qhov ntsuas yooj yim no tsis tuaj yeem piv rau cov tuam tsev tiag.
Ua cov twj paj nruag, cov twj paj nruag feem ntau yog siv hauv cov paj nruag orchestral nrog cov lus Spanish. Piv txwv li suav nrog bizet's Carmen thiab chabriere's Spanish rhapsody. Nws kuj tseem siv los txhim kho qhov kev sib dhos ntawm cov nkauj, zoo li hauv prokofiev's piano concerto no. 3 thiab milo tus neeg tau fij.