After moving to this modern-day country, Charles Theodore Pachelbel, the son of Johann, opened a music school and wrote organ music. This country’s Choristers Companion includes the piece “Green Field.” The Singing Master's Assistant contains a piece from this country whose lyrics depict a “trembling fear” that “seized all the guilty world around.” England and this country popularized “fuguing tunes,” which inspired the “When Jesus Wept” movement of a 1956 (*) “Triptych” and are used in this country’s Sacred Harp style. The hymn “Africa” (10[1]-5[1])is by William Billings, who led a school of “tunesmiths” in this country whose second iteration included Amy Beach. The ballad opera The Disappointment quotes a tune from this country (-5[1])about a man who “stuck a feather in his cap.” For 10 points, name this country whose early composers made arrangements of ■END■