<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Tremoloa, yakawanda tremoloas, chiridzwa chine tambo chiri chemhuri yeboka reChord yemhuri yefretless zither.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeyekuti Tremoloa, yakawanda tremoloas, chiridzwa chine tambo chinobva kumhuri yeChord group yemhuri isina fretless zither, yakagadzirwa muAmerica mukupindura kuwedzera nokukurumidza mukuzivikanwa kwemimhanzi yeHawaiian muma1920, uye yakaramba ichigadzirwa kusvikira kuma1950. 