English Roy Courtnall Summerfield Cited by user HurricaneEdgar on 17 Mar 2021 Roy Courtnall Summerfield is a luthier, author, teacher and lecturer in musical instrument technology, and has worked mainly in the research and construction of the…
English Roy Courtnall Summerfield Cited by user HurricaneEdgar on 17 Mar 2021 Roy Courtnall Summerfield is a luthier, author, teacher and lecturer in musical instrument technology, and has worked mainly in the research and construction of the…