Original: Children's Choir Basics. Choir sheet music. Children's Choir Basics composed by David T. Nastal. Pastoral Press, Children. Softcover Book.
Traducere: Corul de copii de bază. Partituri cor. Bazele Corul de copii compuse de David T. Nastal. Pastorale de presă, pentru copii. Publicat de OCP.