' s ▁C athedral , ▁B irmingham ) ▁ 1 9 8 6 – 9 8 ▁Robert ▁Marsh ▁ 1 9 9 8 – 2 0 0 3 ▁Andrew ▁Bry den ▁ ▁( then ▁organ ist ) ▁ 2 0 0 3 - 4 ▁Stephen ▁Power ▁( Act ing ) ▁ 2 0 0 4 – 0 8 ▁Thomas ▁Le ech ▁ 2 0 0 9 – 1 3 ▁Edmund ▁Ald house ▁ 2 0 1 3 – 1 4 ▁Ben ▁H orden ▁( act ing ) ▁ 2 0 1 4 – ▁Tim ▁Har per ▁ ▁Organ ▁Sch ol ars ▁ 1 9 9 6 - 1 9 9 7 ▁Simon ▁Pear ce ▁ 1 9 9 7 - 1 9 9 8 ▁Martin ▁Wolf ▁ 2 0 0 6 - 2 0 0 7 ▁Daniel ▁C otte e ▁ 2 0 0 7 - 2 0 0 8 ▁Dor othe a ▁Harris ▁ 2 0 0 8 - ? ▁Tim ▁Sem ken ▁ 2 0 1 5 - 2 0 1 7 ▁Tom ▁C ox head ▁ 2 0 1 7 - 2 0 1 9 ▁Al ana ▁Brook ▁ 2 0 1 9 - ▁Tom ▁C ox head ▁( Ass istant ▁Organ ist ) ▁ ▁Ro chester ▁C athedral ▁Among ▁the ▁compos ers , ▁conduct ors ▁and ▁concert ▁perform ers ▁who ▁have ▁been ▁organ ists ▁at ▁Ro chester ▁C athedral ▁are ▁ ▁Ber tr am ▁Lu ard - S el by , ▁Harold ▁A ub ie ▁Ben nett , ▁Per