Оригінал: Father Grumble. He currently resides in New York and works as a staff artist in Manhattan. John M. Feierabend. First Steps in Music.
Переклад: Батько побурчати. Джон М. Feierabend. Father Grumble composed by John M. Feierabend. Перші кроки в музиці. Музична освіта. Picture book.
