Ihe Eji Egwuri Egwu Ikpoko akuko abuo nke putara imu umu ohuru, ihe ohuru n’eji egwu, uzo ohuru eji eme egwu, ihe ohuru. Ihe ọzọkwa akpịrịkpa maka ilu bụ D3, A3, Bb3, C4, D4, E4, F4, A4 na sistemụ eriri string na sistemu EADGBE. DrumString bụ ọkụ ma nwee eriri ejiri kechie ubu na ukwu yabụ iji ya ma jide ya ga-adị mfe ma ọ ga-enye gị ike iji aka abụọ.
Aha oru ngo : DrumString, Aha ndị na-emepụta ya : Mohamad Montazeri, Aha onye ahịa : Arena Design Studio.
Designkpụrụ a dị ịtụnanya bụ mmeri nke onyinye ọla ọcha na ejiji, uwe na asọmpi uwe. Ga-ahụrịrị na ọkaibe ọlaọcha na-enweta ihe ngosipụta nke ndị na-emepụta ihe n ’ụlọ ahịa iji chọpụta ọtụtụ ụdị ọhụụ, ọhụụ, nke mbụ na okike, uwe na uwe ọrụ.
