as , ▁ ▁( ), ▁in ▁ ▁( a ▁V es pers ▁service ) ▁on ▁ 2 0 ▁November ▁ 2 0 0 5 , ▁and ▁, ▁in ▁a ▁cant ata ▁service . ▁ ▁Con cert s ▁and ▁services ▁have ▁also ▁been ▁performed ▁by ▁guest ▁ens emb les ▁such ▁as ▁the ▁Ukrain ian ▁chamber ▁cho ir ▁O RE Y A . ▁The ▁cho irs ▁of ▁St . ▁Martin ▁travel led ▁to ▁England ▁in ▁ 2 0 0 6 ▁to ▁attend ▁services ▁and ▁ev ens ong ▁in ▁Christ ▁Church , ▁Oxford , ▁Sal is bury ▁C athedral ▁and ▁St ▁Paul ' s ▁C athedral , ▁London . ▁They ▁travel led ▁to ▁Leipzig ▁in ▁ 2 0 0 8 ▁to ▁hear ▁the ▁Th oman er chor ▁in ▁ ▁and ▁services . ▁In ▁ 2 0 0 9 ▁they ▁sang ▁with ▁other ▁cho irs ▁of ▁the ▁dioc ese ▁in ▁the ▁Lim burg ▁C athedral ▁from ▁the ▁ ▁of ▁Stef ano ▁Bernard i ▁for ▁double ▁ch orus , ▁conducted ▁by ▁Jo achim ▁Dre her ▁and ▁Franz ▁F ink . ▁In ▁ 2 0 1 6 , ▁they ▁performed ▁at ▁the ▁C athedral ▁the ▁premi ere ▁of ▁the ▁or atorio ▁La ud ato ▁si ' ▁with ▁the ▁cho irs ▁of ▁Lie bf ra uen , ▁Frankfurt , ▁conducted ▁by ▁the ▁composer ▁Peter ▁Re ule in . ▁The ▁performance ▁was ▁repeated ▁at ▁the ▁Frankfurt ▁C athedral ▁in ▁ 2 0 1 7 . ▁ ▁On ▁ 2 6 ▁December ▁ 2 0 1 9 , ▁the ▁H ess ian