Ukulele tuaj yeem muaj xim ntau, xim daj, xim xiav, txiv ntoo, txiv duaj, txiv kab ntxwv, thiab lwm yam. Tab sis tsis txhob muaj xim piano vim koj zoo nkauj, tshwj tsis yog tias koj xav mus yuav kho kom zoo, yuav nws ua ntej. Ib tug ntoo zoo nkauj piano tsis kam muab nws ib txheej quav ntawm lacquer, nws yuav ua rau nws lub suab, nws yog qhov zoo tshaj rau xaiv tus ntoo xim piano.