Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla The tremoloa, jam'i tremoloas, wani kayan aiki ne na kirtani wanda ke cikin iyalin ƙungiyar Chord na iyalin zither maras kyau.
Tabbas, wani nau'i mai rikitarwa na jumla shine "The tremoloa, jam'i tremoloas, wani kayan aiki ne na igiya wanda ya kasance na ƙungiyar Chord na iyalin zither ba tare da fret ba, wanda aka samar a Amurka don amsawa ga karuwar karuwar shahararren kiɗan Hawaii a cikin shekarun 1920, kuma ya ci gaba da samarwa har zuwa shekarun 1950. "