ektar is an indian instrument with a single string which is expanded between a resonating chest and a bamboo rod, which they play with a wooden stick. During play the pitch of the tone can be modulated.

gadulka is a bulgarian stringed instrument with eleven resonating and three playable strings. the musician creates the sounds by touching the strings, since the instrument has no fingerboard. the pear-shaped resonating chest, the resonating strings and the leck of the fingerboard create the instrument's characteristic sound.

sarangi is a stringed instrument from north-india with three playable and thirtyfive resonating strings. since the instrument doesn't have fingerboard, the sarangi is played by ploucking the strings.

kalimba & its versions and it's versions. an african istrument consisting of thin metal plates fastened to a wooden chest. these playable plates can be replaced by bamboo pieces.