s ai ▁K ara ▁Y att emas u ▁Tour " ▁that ▁ran ▁from ▁the ▁middle ▁to ▁the ▁end ▁of ▁March . ▁Their ▁first ▁single ▁of ▁the ▁year , ▁Ch anges , ▁was ▁released ▁on ▁May ▁ 8 , ▁ 2 0 0 8 ▁and ▁was ▁the ▁ending ▁theme ▁to ▁the ▁Production ▁I . G ▁an ime ▁series ▁T osh ok an ▁S ens ō . ▁The ▁band ▁then ▁made ▁its ▁first ▁appearance ▁on ▁the ▁popular ▁music ▁program ▁Music ▁Station ▁on ▁May ▁ 9 ▁and ▁performed ▁Ch anges ▁on ▁the ▁show . ▁Base ▁Ball ▁Bear ▁also ▁performed ▁a ▁two - day ▁show ▁at ▁Sh ib u ya ▁C . C . ▁Lem on ▁Hall ▁in ▁late ▁September . ▁ ▁In ▁January ▁ 2 0 0 9 , ▁they ▁released ▁their ▁e ighth ▁single ▁Love ▁Mathemat ics ▁and ▁a ▁compilation ▁album ▁Kan zen ban ▁Band ▁B ▁ni ▁T suite ▁containing ▁all ▁their ▁ind ies ▁songs . ▁Following ▁the ▁releases , ▁the ▁band ▁went ▁on ▁a ▁tour ▁called ▁" Live ▁Mathemat ics ▁Tour ▁ 2 0 0 9 " ▁starting ▁in ▁March . ▁They ▁also ▁held ▁a ▁show ▁named ▁" H ib i ya ▁Non f iction " ▁at ▁H ib i ya ▁Open - A ir ▁Con cert ▁Hall ▁on ▁June ▁ 2 7 . ▁With ▁a ▁total ▁of ▁four ▁singles ▁in ▁ 2 0 0 9 , ▁the ▁band ▁closed ▁out ▁the ▁year ▁by ▁re le asing ▁their ▁third ▁album ▁( What ▁Is ▁The ) ▁Love ▁& ▁Pop ? ▁in ▁September ▁and ▁ach ieving