ú lla ▁and ▁Vol ta , ▁the ▁former ▁of ▁which ▁did ▁not ▁receive ▁its ▁own ▁tour . ▁The ▁tour ▁band ▁consisted ▁of ▁ ▁drum mer ▁Chris ▁C ors ano , ▁music ian ▁Mark ▁Bell ▁( who ▁also ▁accompanied ▁B jör k ▁on ▁the ▁Hom ogen ic ▁tour ), ▁pian ist ▁J ón as ▁Sen ▁( who ▁played ▁cel este ▁on ▁the ▁tracks ▁Gr at itude ▁and ▁Cet ace a ▁on ▁the ▁Draw ing ▁Rest raint ▁ 9 ▁sound track ), ▁music ian ▁Dam ian ▁Taylor ▁and ▁a ▁ 1 0 ▁piece ▁female ▁I cel and ic ▁br ass ▁section . ▁Many ▁of ▁the ▁songs ▁evol ved ▁consider ably ▁during ▁the ▁tour , ▁including ▁" In noc ence " ▁which ▁was ▁re - done ▁so ▁as ▁to ▁incorpor ate ▁br ass ▁elements . ▁Live ▁performances ▁of ▁the ▁track ▁" Dec lare ▁Independ ence " ▁made ▁heavy ▁use ▁of ▁the ▁Re ac Table , ▁an ▁electro - ac oust ic ▁music ▁instrument ▁with ▁a ▁table top ▁Tang ible ▁User ▁Interface , ▁which ▁is ▁played ▁by ▁Dam ian ▁Taylor . ▁The ▁Ten ori - on ▁was ▁used ▁heavily ▁in ▁performances ▁of ▁" Who ▁Is ▁It ". ▁A ▁live ▁DVD ▁and ▁CD ▁of ▁the ▁Vol ta ▁tour ▁was ▁released ▁as ▁part ▁of ▁Vol ta ï c . ▁The ▁tour ▁was ▁B jör k ' s ▁first ▁in ▁four ▁years ▁and ▁saw ▁her ▁play ▁countries ▁that ▁she ▁had ▁not ▁played ▁in ▁over ▁ten ▁years . ▁ ▁Background ▁▁ ▁After ▁some ▁rum ours ▁started ▁circul ating ▁during ▁ 2