▁religion ) ▁theme ▁is ▁similar ▁to ▁' The ▁Same ▁Old ▁Rock ', ▁but ▁in ▁many ▁others ▁I ▁think ▁it ' s ▁stronger ". ▁Report edly , ▁Anderson ▁said ▁that ▁the ▁only ▁reason ▁he ▁originally ▁left ▁Black pool ▁was ▁because ▁Har per ▁did . ▁Other ▁artists ▁who ▁covered ▁Har per ' s ▁songs ▁( or ▁songs ▁on ▁his ▁albums ) ▁throughout ▁the ▁de cade ▁include ▁Dean ▁Carter , ▁A va ▁Cher ry ▁& ▁The ▁A str on ettes , ▁Green ▁Crown , ▁The ▁K itchen ▁C yn ics , ▁the ▁Lev ellers , ▁Ro yd an ▁St yles ▁and ▁P ete ▁Town sh end . ▁Har per ▁also ▁under to ok ▁a ▁short ▁tour ▁of ▁the ▁US , ▁where ▁some ▁performances ▁were ▁supported ▁by ▁D ae vid ▁Allen , ▁former ▁So ft ▁Machine ▁and ▁G ong ▁band ▁member . ▁▁ 2 0 0 0 – 1 0 : ▁In to ▁the ▁new ▁mill en ni um ▁In ▁ 2 0 0 0 , ▁Har per ▁released ▁an ▁almost ▁entirely ▁ac oust ic ▁album , ▁The ▁Green ▁Man , ▁accompanied ▁by ▁The ▁Te a ▁Party ' s ▁Jeff ▁Martin ▁on ▁guitar , ▁hur dy - g ur dy ▁and ▁numerous ▁other ▁instruments . ▁The ▁following ▁year ▁( 2 0 0 1 ) ▁Har per ▁celebrated ▁his ▁ 6 0 th ▁birth day ▁with ▁a ▁concert ▁performance ▁at ▁London ' s ▁Royal ▁Festival ▁Hall ▁and ▁was ▁joined ▁by ▁numerous ▁guest ▁artists ▁including ; ▁David ▁Bed ford , ▁Nick ▁Har per , ▁Jeff ▁Martin ▁and ▁John ▁Ren