▁membership ▁is ▁for ▁those ▁organis ations ▁involved ▁with ▁the ▁presentation , ▁support ▁and ▁commission ing ▁of ▁the ▁work ▁of ▁the ▁Association ' s ▁members ▁ ▁Corpor ate ▁members ▁Corpor ate ▁membership ▁is ▁available ▁to ▁organis ations ▁with ▁related ▁interests ▁to ▁the ▁orch est ral ▁sector ▁and ▁who ▁share ▁the ▁A BO ' s ▁a ims ▁and ▁object ives , ▁who ▁wish ▁to ▁be ▁kept ▁up - to - date ▁on ▁current ▁affairs ▁and ▁topics ▁of ▁mut ual ▁interest . ▁ ▁These ▁include ▁concert ▁h alls , ▁agents , ▁prom ot ers , ▁compos ers , ▁and ▁organis ations . ▁ ▁M emb ership ▁is ▁also ▁open ▁to ▁business es ▁and ▁spons ors . ▁ ▁S ources ▁ ▁Association ▁of ▁British ▁Or ch est ras ▁www . ab o . org . uk , ▁ 2 3 ▁March ▁ 2 0 1 0 ▁ ▁Arts ▁Council ▁England ▁www . arts ▁Council , ▁ 2 3 ▁March ▁ 2 0 1 0 ▁ ▁Classic ▁FM ▁' Associ ation ▁of ▁British ▁Or ch est ras ' ▁www . class ic fm . co . uk , ▁ 1 8 ▁March ▁ 2 0 1 0 ▁ ▁Department ▁for ▁Culture , ▁Media ▁and ▁Sport ▁www . c ulture . gov . uk ▁ 2 2 ▁March ▁ 2 0 1 0 ▁ ▁International ▁Art ists ▁Man agers ' ▁Association ▁www . iam a . com ▁ 2 2 ▁March ▁ 2 0 1 0 ▁ ▁Mus icians ▁Union ▁Website ▁www . mus icians union . org .