▁are ▁found ▁in ▁many ▁contemporary ▁collections ▁of ▁organ ▁music . ▁ ▁His ▁Horn pipe ▁Hum ores que ▁is ▁an ▁am using ▁set ▁of ▁variations ▁on ▁the ▁familiar ▁S ail or ' s ▁Horn pipe , ▁in ▁the ▁styles ▁of ▁( and ▁with ▁ap ologies ▁to ) ▁Bach ▁( Br andenburg ▁Con cer to ▁No . ▁ 3 , ▁ 1 st ▁movement ), ▁V ival di ▁(" Spring ," ▁ 1 st ▁movement , ▁from ▁The ▁Four ▁Se asons ), ▁Ar ne ▁( Rule ▁Britann ia ) ▁and ▁W idor ▁(" T occ ata " ▁from ▁Sym phony ▁for ▁Organ ▁No . ▁ 5 ). ▁Perhaps ▁his ▁most ▁often ▁played ▁organ ▁music ▁is ▁his ▁' A ria ' ▁in ▁F . ▁Dr ▁Gordon ▁Stewart ▁recorded ▁a ▁CD ▁in ▁ 2 0 1 2 ▁of ▁ 2 1 ▁pieces ▁of ▁Raw st hor ne ' s ▁Organ ▁Music ▁to ▁mark ▁the ▁composer ' s ▁ 8 3 rd ▁birth day , ▁including ▁many ▁pieces ▁never ▁previously ▁recorded . ▁ ▁References ▁ ▁External ▁links ▁ ▁Program me ▁notes ▁on ▁the ▁occasion ▁of ▁No el ▁Raw st hor ne ' s ▁ 7 0 th ▁birth day ▁from ▁Simon ▁Lind ley ' s ▁website ▁ ▁Category : 1 9 2 9 ▁birth s ▁Category : 2 0 1 9 ▁death s ▁Category : English ▁classical ▁organ ists ▁Category : M ale ▁organ ists ▁Category : C athedral ▁organ ists ▁Category : 2 1 st - century ▁organ ists ▁Category : 2 1 st - century ▁British