▁small ▁number ▁of ▁sing ers . ▁The ▁ 2 0 1 2 - 2 0 1 3 ▁group ▁also ▁performed ▁at ▁the ▁state ▁conference . ▁The ▁Chamber ▁Sing ers ▁perform ▁the ▁national ▁anth em ▁at ▁many ▁of ▁H emp field ' s ▁home ▁basketball ▁games . ▁ ▁The ▁H emp field ▁orch est ras ▁include ▁Sym phony ▁Str ings , ▁an ▁or chestra ▁tail ored ▁to ▁advanced ▁mus icians ; ▁and ▁Con cert ▁Str ings , ▁a ▁performing ▁or chestra ▁designed ▁for ▁under class men . ▁ ▁All ▁orch est ras , ▁bands ▁and ▁cho irs ▁perform ▁at ▁either ▁the ▁hol iday ▁concert , ▁the ▁winter ▁concert ▁or ▁a ▁spring ▁concert . ▁Some ▁groups ▁have ▁shows ▁outside ▁of ▁the ▁H emp field ▁music ▁department , ▁which ▁change ▁every ▁year . ▁ ▁Athletics ▁ ▁H emp field ▁compet es ▁in ▁the ▁Lanc aster - L eb anon ▁League ▁as ▁part ▁of ▁the ▁Pennsylvania ▁Inter sch ol astic ▁Athlet ic ▁Association , ▁except ▁for : ▁ ▁Ice ▁hockey , ▁govern ed ▁by ▁USA ▁Hockey ▁and ▁comp ete ▁in ▁the ▁Central ▁Pennsylvania ▁Inter sch ol astic ▁Hockey ▁League ▁( C PI HL ) ▁ ▁Rugby , ▁which ▁comp ete ▁in ▁the ▁Eastern ▁Pennsylvania ▁Rugby ▁Union ▁( E PR U ) ▁ ▁Sports ▁ ▁Baseball ▁The ▁H emp field ▁Black ▁Knight ▁Baseball ▁team ▁is ▁currently ▁co ached ▁by ▁Jer emy ▁Mor r ison . ▁Historical ▁highlight s ▁and ▁champion ships : ▁ ▁SE CTION ▁ON E : ▁▁ 1 9 8 3 , ▁ 1 9 9