7 ▁he ▁continued ▁his ▁studies ▁for ▁becoming ▁a ▁conduct or ▁with ▁Ser gi u ▁Cel ib id ache . ▁ ▁After ▁a ▁concert ▁tour ▁in ▁the ▁main ▁Italian ▁cities , ▁he ▁was ▁appointed ▁Main ▁Con duct or ▁of ▁the ▁Con cert geb ouw ▁Chamber ▁Orchestra ▁of ▁Amsterdam ▁in ▁ 1 9 9 4 . ▁Marco ▁B oni , ▁who ▁is ▁still ▁holding ▁the ▁office , ▁performed ▁with ▁the ▁Dutch ▁or chestra ▁in ▁France , ▁Spain , ▁Italy , ▁India , ▁Japan , ▁Switzerland ▁and ▁Portugal . ▁Marco ▁B oni ▁conducted ▁also ▁many ▁major ▁or chestra ▁such ▁as ▁the ▁Mag gio ▁Music ale ▁F ior ent ino , ▁the ▁Scottish ▁Chamber ▁Orchestra , ▁the ▁North ▁Netherlands ▁Sym phony ▁Orchestra ▁and ▁the ▁Teatro ▁Reg io ▁Orchestra ▁of ▁Par ma . ▁ ▁He ▁also ▁has ▁been ▁conduct ing ▁the ▁Wiener ▁K amm ers ym ph onie ▁since ▁ 2 0 0 5 . ▁ ▁He ▁performed ▁conduct ing ▁the ▁Con cert geb ouw ▁Chamber ▁Orchestra ▁together ▁with ▁M ish a ▁Mais ky ▁in ▁a ▁concert ▁tour ▁throughout ▁Spain . ▁ ▁Marco ▁B oni ▁registered ▁Mah ler ’ s ▁arrang ements ▁of ▁the ▁quart ets ▁“ De ath ▁and ▁the ▁Ma iden ” ▁by ▁Sch ub ert ▁and ▁the ▁quart et ▁Op . ▁ 9 5 ▁by ▁Be eth oven . ▁Always ▁with ▁the ▁Con cert geb ouw ▁Chamber ▁Orchestra , ▁four ▁record ings ▁of ▁works ▁by ▁Hay dn , ▁Moz art , ▁M end els so hn , ▁Sch ub ert ▁and ▁T cha ik ov