▁the ▁Reg gen za ▁period : ▁an ▁intention ▁that ▁became ▁intens ified ▁with ▁the ▁new ▁Grand ▁Duke ▁Peter ▁Leopold . ▁During ▁his ▁employ ment ▁in ▁Florence , ▁Campion ▁gained ▁the ▁respect ▁of ▁Italian ▁and ▁European ▁cultural ▁society ▁for ▁his ▁taste ▁and ▁his ▁collection ▁of ▁ant ique ▁music . ▁Charles ▁Bur ney ▁mentions ▁him ▁as ▁a ▁great ▁collection ist ▁in ▁his ▁The ▁Pres ent ▁State ▁of ▁Music ▁in ▁France ▁and ▁Italy , ▁aff irm ing ▁that ▁his ▁collection ▁was ▁second ▁only ▁to ▁that ▁of ▁Mart ini . ▁In ▁the ▁ 1 7 6 0 s , ▁he ▁tra ve led ▁abroad ▁in ▁order ▁to ▁promote ▁the ▁publication ▁of ▁his ▁music . ▁He ▁printed ▁his ▁music ▁in ▁Amsterdam ▁and ▁Paris ▁under ▁his ▁own ▁super vision , ▁and ▁Wal sh ▁published ▁his ▁works ▁in ▁London . ▁The ▁Wal sh ▁ed itions ▁were ▁diff used ▁world wide ▁and ▁were ▁highly ▁appreciated ▁by ▁Thomas ▁Jefferson , ▁who ▁became ▁a ▁great ▁collection ist ▁of ▁Campion ' s ▁compos itions ▁for ▁viol in , ▁of ▁which ▁he ▁even ▁kept ▁a ▁them atic ▁catalog ue . ▁In ▁ 1 7 6 6 ▁he ▁married ▁Marg her ita ▁Per lo z ▁Brun et , ▁a ▁har ps ich ord ▁expert ▁and ▁painter , ▁to ▁whom ▁he ▁dedicated ▁some ▁of ▁his ▁keyboard ▁compos itions . ▁There ▁is ▁some ▁information ▁regarding ▁his ▁meeting ▁with ▁Wolfgang ▁Ama de us ▁Moz art , ▁who ▁at ▁the ▁time ▁was ▁only ▁four teen , ▁in ▁Florence ▁in ▁ 1 7 7 0 . ▁ ▁Final ▁years ▁and ▁the