Composer flying in for music premiere at York Barbican

Joanna Marsh, who once played violin with York’s Guildhall Orchestra, as well as  Joanna Marsh, who once played violin with York’s Guildhall Orchestra, as well as  Joanna Marsh, who once played violin with York’s Guildhall Orchestra, as well as  Joanna Marsh, who once played violin with York’s Guildhall Orchestra, as well as  Joanna Marsh, who once played violin with…