▁a ▁temporary ▁musical ▁band ▁created ▁by ▁the ▁producer ▁of ▁Japanese ▁pop - rock ▁band ▁Mr . ▁Children , ▁. ▁The ▁group ▁was ▁created ▁to ▁promote ▁the ▁film ▁Band age , ▁which ▁stars ▁the ▁Japanese ▁singer ▁and ▁actor ▁Jin ▁Ak an ishi ▁as ▁the ▁leader ▁and ▁vocal ist ▁ ▁of ▁the ▁fict ional ▁band . ▁The ▁band ▁released ▁their ▁debut ▁single ▁" B and age ", ▁on ▁November ▁ 2 5 , ▁ 2 0 0 9 . ▁The ▁single ▁to pped ▁the ▁Or icon ▁chart ▁s elling ▁ 2 1 1 , 0 0 0 ▁copies ▁in ▁the ▁first ▁week . ▁ ▁History ▁In ▁October ▁ 2 0 0 8 , ▁it ▁was ▁announced ▁that ▁Jin ▁Ak an ishi ▁would ▁be ▁st arring ▁in ▁a ▁film ▁titled ▁Band age , ▁where ▁he ▁would ▁play ▁the ▁character ▁N ats u ▁the ▁leader ▁and ▁vocal ist ▁of ▁Land s , ▁a ▁four - member ▁band ▁that ▁is ▁set ▁in ▁the ▁ 1 9 9 0 s . ▁The ▁film ▁was ▁directed ▁by ▁T akes hi ▁Kob ay ashi , ▁who ▁was ▁also ▁chosen ▁to ▁create ▁the ▁music ▁for ▁the ▁film . ▁In ▁early ▁November ▁ 2 0 0 8 . ▁it ▁was ▁revealed ▁that ▁Kob ay ashi ▁had ▁written ▁at ▁least ▁five ▁songs ▁for ▁the ▁film ▁and ▁that ▁the ▁fict ional ▁band ▁would ▁be ▁planning ▁a ▁" real ▁world " ▁debut . ▁In ▁September ▁ 2 0 0 9 , ▁it ▁was ▁reported ▁that ▁Land s ▁would ▁make ▁their ▁debut ▁later ▁in ▁the ▁fall ▁with