ville ▁locations , ▁and ▁one ▁location ▁in ▁Chicago . ▁ ▁However , ▁Z om ba ▁closed ▁its ▁London ▁branches ▁towards ▁the ▁end ▁of ▁ 2 0 0 1 ▁and ▁the ▁others ▁followed ▁soon ▁after ▁leaving ▁only ▁an ▁unknown ▁number ▁of ▁New ▁York ▁locations . ▁ ▁In ▁addition ▁to ▁B atter y ▁stud ios , ▁Z om ba ▁Rec ording ▁Corporation ▁began ▁a ▁relationship ▁with ▁the ▁established ▁Swedish ▁studio ▁Che ir on ▁Studios ▁and ▁its ▁production ▁personnel . ▁ ▁The ▁studio ▁had ▁operated ▁since ▁the ▁mid ▁eight ies ▁( as ▁S we M ix ), ▁and ▁from ▁ 1 9 9 6 ▁until ▁its ▁closure ▁in ▁ 2 0 0 0 ▁it ▁shared ▁a ▁joint ▁production ▁and ▁publishing ▁vent ure ▁with ▁the ▁Z om ba ▁Group . ▁ ▁A part ▁from ▁the ▁actual ▁studio , ▁the ▁vent ure ▁included ▁a ▁production ▁team ▁that ▁helped ▁for ge ▁the ▁sounds ▁of ▁Back street ▁Boys , ▁Brit ney ▁Spe ars , ▁and ▁' N ▁S ync . ▁ ▁In ▁addition ▁to ▁recording ▁stud ios , ▁Z om ba ▁Rec ording ▁Corporation ▁operated ▁Dream hire ▁Professional ▁audio ▁R ent als . ▁ ▁Dream hire ▁opened ▁in ▁ 1 9 8 4 ▁with ▁operations ▁in ▁London , ▁New ▁York ▁City ▁( 1 9 8 9 ) ▁and ▁Nash ville ▁( 1 9 8 8 ). ▁ ▁The ▁London ▁branch ▁closed ▁in ▁ 2 0 0 1 ▁followed ▁by ▁Nash ville ▁in ▁ 2 0 0 3 . ▁ ▁Dream hire ▁also ▁included ▁Hil ton ▁Sound , ▁a ▁h ire