Case's Chorus Collection: For the Use of Choirs, Conventions, Choral . This book, "Case's Chorus Collection: For the Use of Choirs, Conventions, Choral .", by C.C. Case, is a replication of a book originally published before 1886. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.