 The first radio opera seems to have been "The Red Pen", composed by Geoffrey Toye to a libretto by A. P. Herbert.It was originally aired by the British Broadcasting Corporation on March 24, 1925.Germany followed with Gustav Kneip's Christmas opera for children, "Christkinds Erdenreise" (The Christ-child's journey on Earth), 24 December 1929, and Walter Goehr's "Malpopita" in May 1931.